C¡¢¾í²Ä¼ÓÕ³ÌùÐÍÍ¿ÁÏ·ÀË®²ã D¡¢¾í²Ä¼Ó»ù²ã´¦Àí¼Á·ÀË®²ã
Èý£®¶àÑ¡Ì⣺
1¡¢²ÉÓ㨠ACD £©Ö¸±êÆÀ¼Û¹èËáÑÎË®ÄàµÄÎïÀíÐÔÖÊ¡£
A¡¢Ï¸¶È B¡¢±ê×¼³í¶ÈÓÃË®Á¿ C¡¢Äý½áʱ¼ä D¡¢Ìå»ý°²¶¨ÐÔ 2¡¢¡¶Í¨ÓùèËáÑÎË®Äà¡·£¨GB175-2007£©ÖжԹèËáÑÎË®ÄàµÄ£¨ ABC£©Ö¸±ê×÷³öÁ˹涨¡£
A¡¢Ï¸¶È B¡¢Äý½áʱ¼ä C¡¢Ìå»ý°²¶¨ÐÔ D¡¢±ê×¼³í¶ÈÓÃË®Á¿
3¡¢°´ÕÕ¡¶Í¨ÓùèËáÑÎË®Äà¡·£¨GB175-2007£©µÄ¹æ¶¨£¬ÏÂÁУ¨ ABCD £©Ö¸±êÖÐÈκÎÒ»Ïî²»·ûºÏ±¾±ê×¼ÒªÇóʱ£¬Îª²»ºÏ¸ñÆ·¡£
A¡¢Ñõ»¯Ã¾£» B¡¢ÈýÑõ»¯Áò C¡¢Äý½áʱ¼ä D¡¢°²¶¨ÐÔ
4¡¢´óÌå»ý»ìÄýÊ¿ÒËÑ¡ÓÃÏÂÁÐÄÄÖÖË®Äࣨ AC £©¡£
A¡¢µÍÈȹèËáÑÎË®Äà B¡¢ÆÕͨ¹èËáÑÎË®Äà C¡¢µÍÈÈ¿óÔü¹èËáÑÎË®Äà D¡¢·Ûú»Ò¹èËáÑÎË®Äà
5¡¢Ë®Äà´¢Ô˹ý³ÌÖУ¬£¨ ACD £©·ûºÏ±ê×¼ÒªÇó¡£
A¡¢×°ÔËË®ÄàµÄ³µ¡¢´¬Ó¦ÓÐÅï¸Ç£»
B¡¢Öü´æË®Äà²Ö¿âÓ¦ÉèÔÚµØÊƽϸߴ¦£¬ÖÜΧ²»Ó¦ÉèÅÅË®¹µ£» C¡¢ÔÚװж¡¢°áÒÆ¹ý³ÌÖв»µÃÅ×ÖÀ´ü×°Ë®Äࣻ D¡¢ÁÙʱ¶Ìì¶Ñ·ÅʱӦÉϸÇϵ棻
6¡¢»ìÄýÍÁÓÃɰÖеÄÓк¦ÔÓÖʳýº¬ÄàÁ¿ºÍÄà¿éº¬Á¿Í⻹ÓÐ( ABCD )¡£
A¡¢ÓлúÖÊ B¡¢ÔÆÄ¸ C¡¢ÇáÎïÖÊ D¡¢ÈýÑõ»¯Áò
7¡¢´Ö¡¢Ï¸¹ÇÁÏÊÔÑùËõ·ÖÓÐÄļ¸ÖÖ·½·¨£¨ BC £©¡£
A¡¢È˹¤Èý·Ö·¨ B¡¢È˹¤ËÄ·Ö·¨ C¡¢·ÖÁÏÆ÷·¨ D¡¢Ëæ»ú·ÖÑù·¨
8¡¢É°¡¢Ëéʯ»òÂÑʯµÄ¼ìÑéËùÓõÄÊÔÑù¿É²»¾Ëõ·Ö£¬°èÔȺóÖ±½Ó½øÐУ¨BC £©ÊÔÑé¡£
A¡¢¿ÅÁ£¼¶Åä B¡¢º¬Ë®ÂÊ C¡¢¶Ñ»ýÃÜ¶È D¡¢º¬ÄàÁ¿
9¡¢¹ØÓÚɰÖÐÄà¿éº¬Á¿ÊÔÑéÖÐÊÔÑùÖÆ±¸¹æ¶¨£¬ÒÔÏÂÐðÊöÕýÈ·µÄÊÇ¡££¨ BD £©
A¡¢½«ÑùÆ·Ëõ·ÖÖÁ5000g£¬ÔÚ×ÔȻ״̬ϰèºÍ¾ùÔÈ£¬Ì¯ÔڽྻµÄµØÃæÉÏ·ç¸Éºó±¸Óã» B¡¢½«ÑùÆ·Ëõ·ÖÖÁ5000g£¬ÖÃÓÚζÈΪ£¨105¡À5£©¡æµÄºæÏäÖкæ¸ÉÖÁºãÖØ£»
C¡¢·ç¸Éºó£¬Óù«³ÆÖ±¾¶2.50mmµÄ·½¿×ɸɸ·Ö£¬È¡É¸ÉϵÄɰ²»ÉÙÓÚ400gµÄÊÔÑùÁ½·Ý±¸ÓᣠD¡¢ºæ¸ÉÖÁºãÖØ,ÀäÈ´ÖÁÊÒκó£¬Óù«³ÆÖ±¾¶1.25mmµÄ·½¿×ɸɸ·Ö£¬È¡É¸ÉϵÄɰ²»ÉÙÓÚ400gµÄÊÔÑùÁ½·Ý±¸Óá£
10¡¢²»Í¬Ë®ÎÂÌõ¼þϲâÁ¿µÄ´Ö¼¯Áϱí¹ÛÃܶÈÐèҪˮÎÂÐÞÕý£¬ÐÞÕýʱÓ루 BC £©²ÎÊýÓйء£
A¡¢²»Í¬ÊÔÑéζÈϵÄË®µÄÃÜ¶È B¡¢Ë®ÔÚ4¡æÊ±µÄÃÜ¶È C¡¢Ë®µÄζÈÐÞÕýϵÊý D¡¢´Ö¼¯ÁϵĸÉÖÊÁ¿ 11¡¢¡¶»ìÄýÍÁÍâ¼Ó¼ÁÓ¦Óü¼Êõ¹æ·¶¡·GB50119-2003¹æ¶¨£ºÑϽûʹÓõÄÍâ¼Ó¼Á¡££¨ AC £©
A¡¢¶ÔÈËÌåÓк¦µÄ B¡¢¶ÔÇ¿¶ÈÓÐÓ°ÏìµÄ
C¡¢¶Ô»·¾³²úÉúÎÛȾµÄ D¡¢Ó°Ïì»ìÄýÍÁ°èºÏÎï״̬µÄ
12¡¢Ïļ¾»ìÄýÍÁÊ©¹¤¼ÓÈëµÄÍâ¼Ó¼ÁÊÇ£¨ CD £©
A¡¢¸ßЧ¼õË®¼Á B¡¢ÔçÇ¿¼õË®¼Á C¡¢»ºÄý¼Á D¡¢»ºÄý¼õË®¼Á
13¡¢»ìÄýÍÁÍâ¼Ó¼ÁµÄÐÍʽ¼ì²âÏîÄ¿°üÀ¨¡££¨ BCD £©
A¡¢¾ùÔÈÐÔ B¡¢ÔÈÖÊÐÔ C¡¢Ó²»¯»ìÄýÍÁÐÔÄÜ D¡¢Ð°è»ìÄýÍÁÐÔÄÜ
14¡¢ÏÂÁÐÍâ¼Ó¼ÁµÄÐÔÄÜÖУ¬£¨ BCD £©ÊÇÆ·ÖÊÓÅÒìµÄÍâ¼Ó¼ÁÓ¦¾ß±¸µÄÐÔÄÜ¡£
A¡¢ÒýÆøÁ¿´ó B¡¢Ì®Âä¶ÈËðʧС C¡¢¼õË®ÂÊ¸ß D¡¢ÄÜÃ÷ÏÔÌá¸ß»ìÄýÍÁÇ¿¶È
15¡¢ÒÔÏÂÊǶÔÊÒÄÚÔÊÐí²îµÄÐðÊö£¬ÕýÈ·µÄÓС££¨ AB £©
A¡¢Í¬Ò»·ÖÎöÊÔÑéÊÒͬһ·ÖÎöÈËÔ±£¨»òÁ½¸ö·ÖÎöÈËÔ±£©£¬²ÉÓñê×¼·½·¨·ÖÎöͬһÊÔÑùʱ£¬Á½´Î·ÖÎö½á¹ûµÄÔÊÐíÆ«²î¡£
B¡¢È糬³öÔÊÐí·¶Î§£¬Ó¦ÔÚ¶Ìʱ¼äÄÚ½øÐеÚÈý´Î²â¶¨£¨»òµÚÈýÕ߲ⶨ£©£¬²â¶¨½á¹ûÓëǰÁ½´Î»òÈÎÒ»´Î·ÖÎö½á¹ûÖ®²îÖµ·ûºÏÔÊÐí²î¹æ¶¨Ê±£¬ÔòÈ¡Æäƽ¾ùÖµ£¬·ñÔò£¬Ó¦²éÕÒÔÒò£¬ÖØÐ½øÐзÖÎö¡£
C¡¢Á½¸öÊÔÑéÊÒ²ÉÓñê׼ͬһ·½·¨¶ÔͬһÊÔÑù¸÷×Ô½øÐзÖÎöʱ£¬ËùµÃ·ÖÎö½á¹ûµÄƽ¾ùÖµÖ®²îµÄÔÊÐíÖµ¡£
D¡¢ÈçÓÐÕùÒ飬ӦÉ̶¨ÁíÒ»µ¥Î»°´±ê×¼½øÐÐÖٲ÷ÖÎö¡£
16¡¢·Ûú»ÒÓÃÓÚ»ìÄýÍÁÖÐÓУ¨ ABC £©µÄ¹¦Ð§¡£
A¡¢»ðɽ»ÒЧӦ B¡¢ÐÎ̬ЧӦ C¡¢Î¢¼¯ÁÏЧӦ D¡¢Îȶ¨Ð§Ó¦
17¡¢Ë®Äà»ìÄýÍÁµÄÄ;ÃÐÔÖʰüÀ¨( ACD )¡£
A¡¢¿¹¶³ÐÔ B¡¢Ç¿¶È C¡¢¿¹ÉøÐÔ D¡¢µçͨÁ¿
18¡¢»ìÄýÍÁÅäºÏ±ÈÉè¼ÆÖУ¬Ä;ÃÐÔÊÇͨ¹ý( AC )¿ØÖƵġ£
A¡¢×î´óË®»Ò±È B¡¢×îСɰÂÊ C¡¢×îСˮÄàÓÃÁ¿ D¡¢×î´óÓÃË®Á¿
19¡¢Îª±£Ö¤»ìÄýÍÁÄ;ÃÐÔ£¬ÔÚ»ìÄýÍÁÅäºÏ±ÈÉè¼ÆÖÐÒª¿ØÖÆ( AC )¡£
A¡¢Ë®»Ò±È B¡¢É°ÂÊ C¡¢Ë®ÄàÓÃÁ¿ D¡¢Ç¿¶È
20¡¢ÆÕͨ»ìÄýÍÁÊÔÅäÇ¿¶È¼ÆËãÓë( ACD )ÒòËØÓйء£
A¡¢»ìÄýÍÁÉè¼ÆÇ¿¶ÈµÈ¼¶ B¡¢Ë®ÄàÇ¿¶ÈµÈ¼¶ C¡¢Ê©¹¤Ë®Æ½ D¡¢Ç¿¶È±£Ö¤ÂÊ
21¡¢ÆÕͨ»ìÄýÍÁÅäºÏ±ÈÉè¼Æ£¬µ¥Î»ÓÃË®Á¿ÊÇÒÀ¾Ý( ABC )Ñ¡ÔñµÄ¡£
A¡¢¹«³Æ×î´óÁ£¾¶ B¡¢Éè¼ÆÌ®Âä¶È C¡¢´Ö¹ÇÁÏÆ·ÖÖ D¡¢É°ÂÊ
22¡¢Ë®Äà»ìÄýÍÁµÄÅäºÏ±ÈÉè¼Æ²½Öè°üÀ¨( ABCD )¡£
A¡¢¼ÆËã³õ²½ÅäºÏ±È B¡¢Ìá³ö»ù×¼ÅäºÏ±È C¡¢È·¶¨ÊÔÑéÊÒÅäºÏ±È D¡¢»»Ë㹤µØÅäºÏ±È
23¡¢ÊÔÑéÊÒ¼ìÑé»ìÄýÍÁ°èºÍÎïµÄ¹¤×÷ÐÔ£¬Ö÷Ҫͨ¹ý¼ìÑé( ACD )·½ÃæÀ´×ÛºÏÆÀ¼Û¡£
A¡¢Á÷¶¯ÐÔ B¡¢¿ÉËÜÐÔ C¡¢Õ³¾ÛÐÔ D¡¢±£Ë®ÐÔ
24¡¢Ñ¡Óü¶ÅäÁ¼ºÃµÄ¹ÇÁÏÅäÖÆ»ìÄýÍÁ£¬¿ÉÒÔ»ñµÃ( ABCD )¡£
A¡¢½ÏºÃµÄºÍÒ×ÐÔ B¡¢½ÚԼˮÄà C¡¢Ìá¸ßÇ¿¶È D¡¢Ìá¸ßÄ;ÃÐÔ 25¡¢²â¶¨»ìÄýÍÁ°èºÍÎïºÍÒ×ÐÔµÄÏÖÐз½·¨Ö÷ÒªÓÐ( ACD )¡£
A¡¢Ì®Âä¶È·¨ B¡¢¹áÈë×èÁ¦·¨ C¡¢Î¬²ª³í¶È·¨ D¡¢ËúÂäÀ©Õ¹¶È·¨
26¡¢²âµÃ»ìÄýÍÁÌ®Âä¶ÈÖµºó£¬Ó¦½øÒ»²½¹Û²ìÕ³¾ÛÐÔ¡£¾ßÌå×ö·¨ÊÇÓõ·°ôÇáÇáÇû÷°èºÍÎÈô»ìÄýÍÁÊÔÌå³öÏÖ( AB )£¬ËµÃ÷»ìÄýÍÁÕ³¾ÛÐԲ
A¡¢Í»È»ÕÛ¶Ï B¡¢±À½â¡¢Ê¯×ÓÉ¢Âä C¡¢µ×²¿Ã÷ÏÔÓÐË®Á÷³ö D¡¢±íÃæÃÚË®
27¡¢Ìú·»ìÄýÍÁ¿¹Ñ¹Ç¿¶ÈÊÔÑéÁäÆÚÒÔÏÂÕýÈ·µÄÊÇ¡££¨ ABD £©
A¡¢Ô¤Ó¦Á¦»ìÄýÍÁ¡¢ÅçÉä»ìÄýÍÁ¡¢ÕôÆûÑø»¤»ìÄýÍÁ¿¹Ñ¹Ç¿¶È±ê×¼Ìõ¼þÑø»¤ÊÔ¼þÁäÆÚΪ28d£¬ B¡¢CFG×®»ìÄýÍÁ¿¹Ñ¹Ç¿¶È±ê×¼Ìõ¼þÑø»¤ÊÔ¼þÁäÆÚΪ28d
C¡¢ÆÕͨ»ìÄýÍÁ¿¹Ñ¹Ç¿¶È±ê×¼Ìõ¼þÑø»¤ÊÔ¼þµÄÊÔÑéÁäÆÚΪ7d+28d
D¡¢³ýA¡¢BÒÔÍâµÄÆäËû»ìÄýÍÁ¿¹Ñ¹Ç¿¶È±ê×¼Ìõ¼þÈçÎÞÌØÊâ¹æ¶¨ÁäÆÚΪ56d
28¡¢·ÀֹˮÄàË®»¯Èȹý´óÒýÆð»ìÄýÍÁ²úÉúÁÑ·ìµÄ´ëÊ©ÓС££¨ AC £©
A¡¢ÔÚ»ìÄýÍÁÖвô¼Ó¿óÎï²ôºÏÁÏ£¬¼õÉÙË®ÄàÓÃÁ¿ B¡¢¼õÉÙË®ÓÃÁ¿ C¡¢Ê¹ÓõÍÈÈË®Äà D¡¢¸Äɯɰ¡¢Ê¯¼¶Åä
29¡¢»ìÄýÍÁÊ©¹¤¹ý³ÌÖУ¬ÒÔϼ¸Ïî¹æ¶¨ÕýÈ·µÄÊÇ£º£¨ BCD £©
A¡¢¾¹ý±ê¶¨µÄ¼ÆÁ¿É豸ÔÚ´óÐÞºó¿ÉÖ±½ÓʹÓà B¡¢»ìÄýÍÁÓ¦²ÉÓÃÇ¿ÖÆÊ½½Á°è»ú½Á°è
C¡¢Ã¿Ò»¹¤°àÕýʽ³ÆÁ¿Ç°£¬Ó¦¶Ô¼ÆÁ¿É豸½øÐмì²é D¡¢½Á°èÕ¾¼ÆÁ¿ÏµÍ³Ó¦¶¨ÆÚ¼ì¶¨
30¡¢ÏÖ³¡¼ì²âʵÌå»ìÄýÍÁÇ¿¶ÈµÄ·½·¨ÓУ¨ ABCD £©¡£
A¡¢»Øµ¯·¨ B¡¢°Î³ö·¨ C¡¢×êо·¨ D¡¢³¬Éù»Øµ¯×ۺϷ¨
31¡¢¿ÉÒÔ¶Ô¸Ö½î»ìÄýÍÁ±£»¤²ãºñ¶È¼ì²âµÄÒÇÆ÷É豸ÓУ¨ AD £©¡£
A¡¢µç´Å¸ÐÓ¦·¨¸Ö½î̽²âÒÇ B¡¢Ð¡Ó¦±ä¼ì²âÒÇ C¡¢³¬Éù²¨¼ì²âÒÇ D¡¢À×´ïÒÇ
32¡¢Ä³¸Ö½îÀÉìÊÔÑé½á¹ûÇü·þÇ¿¶ÈΪ412.2MPa¡¢¿¹ÀÇ¿¶ÈΪ587.5MPa,°´GB/T228.1-2010½øÐÐÆÀ¶¨£¬ÔòÆä²â¶¨½á¹ûµÄÐÞÔ¼Öµ·Ö±ðΪ( A )MPa ¡¢( C )MPa¡£
A¡¢410 B¡¢412 C¡¢590 D¡¢588
33¡¢¹«³ÆÖ±¾¶Îª6mm¡«12mmµÄ¹âÔ²¸Ö½îʵ¼ÊÖØÁ¿ÓëÀíÂÛÖØÁ¿µÄÔÊÐíÆ«²îÊÇ(C )£¬¹«³ÆÖ±¾¶Îª14mm¡«22mmµÄ¹âÔ²¸Ö½îʵ¼ÊÖØÁ¿ÓëÀíÂÛÖØÁ¿µÄÔÊÐíÆ«²îÊÇ( A )¡£
A¡¢¡À5 B¡¢¡À6 C¡¢¡À7 D¡¢¡À8
34¡¢ÓнϸßÒªÇóµÄ¿¹Õð½á¹¹µÄ¸Ö½î£¬³ýÂú×ã( ABC )µÄÒªÇóÍ⣬ÆäËûÒªÇóÓëÏà¶ÔÓ¦µÄÒÑÓÐÅÆºÅ¸Ö½îÏàͬ¡£
A¡¢¸Ö½îʵ²â¿¹ÀÇ¿¶ÈÓëʵ²âÇü·þÇ¿¶ÈÖ®±È²»Ð¡ÓÚ1.25¡£ B¡¢¸Ö½îʵ²âÇü·þÇ¿¶ÈÓëÇü·þÇ¿¶ÈÌØÐÔÖµÖ®±È²»´óÓÚ1.30 C¡¢¸Ö½îµÄ×î´óÁ¦×ÜÉ쳤Âʲ»Ð¡ÓÚ9%
D¡¢¶ÔÓÚûÓÐÃ÷ÏÔÇü·þÇ¿¶ÈµÄ¸Ö£¬Çü·þÇ¿¶ÈÌØÐÔÖµReLÓ¦²ÉÓù涨·Ç±ÈÀýÉ쳤ӦÁ¦Rp0.2
35¡¢¸ù¾ÝTB£¯T 3193-2008¡¶Ìú·¹¤³ÌÔ¤Ó¦Á¦½îÓÃ¼ÐÆ¬Ê½Ãª¾ß¡¢¼Ð¾ßºÍÁ¬½ÓÆ÷¼¼ÊõÌõ¼þ¡·Öй涨£¬ÔÚ¾²ÔØÃª¹ÌÐÔÄÜÊÔÑéÖУ¬ÅжÏËù¼ì²âÊÔ¼þºÏ¸ñµÄ±ê×¼ÊÇ£¨ BD £©¡£
A¡¢Ãª¾ßЧÂÊϵÊý£¾0.95 B¡¢Ãª¾ßЧÂÊϵÊý¡Ý0.95 C¡¢×ÜÓ¦±äÂÊ£¾2.0% D¡¢×ÜÓ¦±äÂÊ¡Ý2.0%¡£
36¡¢¸ù¾ÝTB£¯T 3193-2008¡¶Ìú·¹¤³ÌÔ¤Ó¦Á¦½îÓÃ¼ÐÆ¬Ê½Ãª¾ß¡¢¼Ð¾ßºÍÁ¬½ÓÆ÷¼¼ÊõÌõ¼þ¡·Öй涨£¬µ±¾²ÔØÃª¹ÌÐÔÄÜÊÔÑéÖÐÓÐÒ»¼þ²»·ûºÏÒªÇóʱÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨ AB £©¡£
A¡¢¿ÉÅж¨Îª²»ºÏ¸ñ B¡¢ÔÊÐíË«±¶È¡Ñù¸´¼ì C¡¢¿ÉÅж¨ÎªºÏ¸ñ D¡¢²»ÔÊÐíË«±¶È¡Ñù¸´¼ì
37¡¢¸ù¾ÝTB£¯T 3193-2008¡¶Ìú·¹¤³ÌÔ¤Ó¦Á¦½îÓÃ¼ÐÆ¬Ê½Ãª¾ß¡¢¼Ð¾ßºÍÁ¬½ÓÆ÷¼¼ÊõÌõ¼þ¡·Öй涨£¬Ãª¾ß¡¢¼Ð¾ßºÍÁ¬½ÓÆ÷µÄ¼ì²â·ÖΪ£¨ BC £©¡£
A¡¢Æ½ÐмìÑé B¡¢³ö³§¼ìÑé C¡¢ÐÍʽ¼ìÑé D¡¢³£¹æ¼ìÑé
38¡¢¸ù¾ÝTB10424-2010¡¶Ìú·»ìÄýÍÁ¹¤³ÌÊ©¹¤ÖÊÁ¿ÑéÊÕ±ê×¼¡·Öй涨£¬Ãª¾ß¡¢¼Ð¾ßºÍÁ¬½ÓÆ÷½ø³¡¼ìÑéÏîÄ¿°üÀ¨ÄÄЩ£¨ ABD £©¡£
A¡¢ÍâÐÎÍâ¹Û B¡¢Ó²¶È C¡¢Ãª°åÇ¿¶ÈÊÔÑé D¡¢¾²ÔØÊÔÑé
39¡¢¸Ö½ÊÏßÁ¦Ñ§ÐÔÄÜÖмìÑéÏîÄ¿ÖУ¬È¡ÑùÊýÁ¿Îª3¸ù/ÿÅúµÄÓÐ( ABD )
A¡¢¸Ö½ÊÏßÉìÖ±ÐÔ B¡¢Õû¸ù¸Ö½ÊÏß×î´óÁ¦ C¡¢Ó¦Á¦ËÉ³Ú D¡¢¹æ¶¨·Ç±ÈÀýÑÓÉìÁ¦
40¡¢¸Ö½ÊÏß°´½á¹¹·ÖΪÒÔϼ¸Àà( CD )
A¡¢(1¡Á7)I B¡¢(1¡Á3)E C¡¢1¡Á3I D¡¢1¡Á7
41¡¢ÃܶȲⶨ·½·¨ÓУ¨ ABD £©
A¡¢»·µ¶·¨ B¡¢À°·â·¨ C¡¢±ÈÖØ·¨ D¡¢¹àɰ·¨
42¡¢ÒºÏÞ²âÊԵķ½·¨ÓУ¨ AD £©
A¡¢ÁªºÏ²â¶¨·¨ B¡¢Ô²×¶ÒÇ·¨ C¡¢´êÌõ·¨ D¡¢µúʽÒÇ·¨
43¡¢ËÜÏÞ²âÊԵķ½·¨ÓУ¨ AC £©
A¡¢ÁªºÏ²â¶¨·¨ B¡¢Ô²×¶ÒÇ·¨ C¡¢´êÌõ·¨ D¡¢µúʽÒÇ·¨
44¡¢ÔÚÍÁµÄÈýÏàÌå±ÈÀýÖ¸±êÖУ¬¿ÉÒÔÖ±½Ó²â³öµÄÖ¸±êÓУ¨ ACD £©
A¡¢ÊªÃÜ¶È B¡¢¸ÉÃÜ¶È C¡¢¿ÅÁ£ÃÜ¶È D¡¢º¬Ë®ÂÊ
45¡¢º¬Ë®ÂʲⶨµÄ·½·¨ÓÐ( ABC )
A¡¢ºæ¸É·¨ B¡¢¾Æ¾«È¼ÉÕ·¨ C¡¢Ì¼»¯¸Æ·¨ D¡¢±ÈÖØ
46¡¢¹ØÓÚK30ÊÔÑ飬˵·¨ÕýÈ·µÄÊÇ£¨ ABC £©¡£
A¡¢ÊÊÓÃÓÚÁ£¾¶²»´óÓÚºÉÔØ°åÖ±¾¶1/4µÄ¸÷ÀàÍÁºÍÍÁʯ»ìºÏÌîÁÏ B¡¢ºÉÔØ°åÖ±¾¶Îª£º30cm, °åºñ25mm C¡¢Ï³ÁÁ¿»ù׼ֵΪ£º1.25mm
D¡¢¼ì²â²ÎÊýÃû³ÆÎª£ºµØ»ùϵÊý£¬¼ÆÁ¿µ¥Î»Îª£ºMPa