<#webadvjs#>

被三个男人绑着躁我好爽_国产在线精品二区_老司机午夜精品视频资源_精品无码国产污污污免费网站国产

·§??í???

????·§

2ú?·Dío??o PZ43??ZP43

2ú?·?ú???o DN50??DN1000

2ú?·?1á|?o 0.6??2.5MPa

2ú?·2??ê?o ?yìú???y????2?Da???è


 


????·§2ú?·?ééü?o

????·§????±??tê???°?????°???????·??òó?á÷ì?·??ò?à'1?±??????·§???ü×÷è??aoíè?1???2??ü×÷?÷?úoí?úá÷??????·§?÷òaóé·§ì???ODíè|????°???·§?????§?ü?è2??t×é3é??

????·§2éó????Dò?ì?ê??á11??ì??yD?????á??á??íêè?3¨?a??í¨?à???éò?·à?1?é?ê?ú·§?ú??3á?y??2éó??é?ü??ê??ü·a?á11??ò?????í¨??òo·§ó???Dí??·§??DT?????êìa??·§ì?2??êóé'?í3???y???ü??3éá??ò???yìú???í??ê'D??üo???óDD§?ó3¤á?ê1ó?êù?ü??

????·§????°?óDá????ü·a????×?3?ó?????ê???°?·§??á????ü·a??D?3éD¨D???D¨D?????·§??2?êy??òì??í¨3??a50??D¨ê???Dí??·§????°??éò?×?3éò?????ì????D×???D???°???ò2?éò?×?3é?ü2úéú??á?±?D?????°???ò???é???1¤ò?D?????21?ü·a?????è?ú?ó1¤1y3ì?D2úéú????2????a????°??D×???D???°???Dí??·§1?±?ê±???ü·a???éò???òà???é?ê?1á|à'?ü·a???'òà???é?ê?1á|????°????ü·a???1?òáíò?2à??·§×ùà'±??¤?ü·a?????ü·a???a?íê?×??ü·a??'ó2?·???Dí??·§ê?2éó??????ü·a?????'·§??1?±?ê±??òaòà??íaá|??DD????°??1?ò·§×ù??ò?±??¤?ü·a?????ü·aD???

????·§ó|ó?·??§?o

????·§òò2éó???Dí??°?????óDá?o??????D×÷ó???×?êêò?óú??á???·?á?á????????è??ò???????á÷ì???1?·oó|ó?óú?ì????ê??????óé?????????ê3?·?èDDò?????Dí??·§??óD?à??·§×ù?é1???????2??ò?éòà?Y??3?????Dè?ó????±?????×°???ò?????'DD?÷??ê???·§????×?????2ù×÷??

????·§??ó????o

1.á÷ì?×èá|D? , ?ü·a??êü?é?ê??a???oí??ê'D???

2.????·§?a±???ê?á|??

3.?é?êá÷?ò2?êü?T?? , 2?è?á÷??2????í?1á|??

4.??·§D?ì??ò??, ?á113¤?è?ì?????ì1¤ò?D?o???êêó?·??§1???

????·§??è±???o

1.?ü·a??????ò×òy?e3?ê'oí2áé?????DT±è??à§????

2.íaD?3?'???'ó???a??Dèòaò??¨?????????a±?ê±??3¤??

????·§±ê×?1?·??o

éè?????ì±ê×??o

?á113¤?è±ê×??oGB/T 12221-2005

á??ó·¨à?±ê×??oGB/T 9113

?1á|???è?è???oGB/T 12224-2005

ê??é?ì?é±ê×??oGB/T 13927-2008

????·§??°2×°ó????¤ó|×?òaò???ê????o

1. ê?????ê?±ú?°'????ú11?ù2??êDí×÷?e??ó???2???????×2??

2. ????°?????·§ó|'1?±°2×°?¨?'·§??'|óú'1?±???? , ê????ú??2? )??

3. '?óD??í¨·§??????·§?ú?a???°ó|?è'ò?a??í¨·§?¨ò???oa??3??ú???12??°??D??a??á| )??

4. '?'????ú11??????·§??°'2ú?·ê1ó????÷êé??1??¨°2×°??

5. è?1?·§???-3??a1?ê1ó? , ?????áéùèó??ò?'???  

é?ò??a?oê?????Dí??·§ ??ò??a?o2?Da????????·§