<#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?·??3??oèyí¨Dyè?·§


Dí         o??oX43H

?é?êá÷?ò?oè?òa

?ü·aD??ü?oá?o?

á÷ì?×èá|?o??D?

áa?????°?o
15901687301


2ú?·?ê?é?o
???ì±ê×??o?D1úGB???úD?2?JB????1¤±ê×?HG???à±êAPI??ANSI????±êDIN??è?±?JIS??JPI??ó?±êBSéú2ú??
·§ì?2??ê?oí-???yìú???y????ì?????WCB??WC6??WC9??20#??25#???í????A105??F11??F22??2?Da????304??304L??316??316L?????a?????í????????o??e???è??
1¤×÷?1á|?o1.0Mpa-50.0Mpa??
1¤×÷???è?o-196??-650????
á??ó·?ê??o?ú?Y????ía?Y????·¨à???o??ó????o???3D2?o????¨ì×???¨1???
?y??·?ê??oê???????????òo??????????
é?o??Y??·§??óD?T1???ó?óDè??ò×????a??éú2úéè±?oí??ê?1¤3ìê|??óD?üá|°'???÷1ú±ê×?ò??°?÷??DDò?±ê×?éú2ú???ìó??ê·§????


èyí¨Dyè?·§2ú?·?ééü?o

Dyè?·§ê?1?±??t?ò?ùè?D???Dy×a·§??í¨1yDy×a90?èê1·§è?é???í¨?à?úó?·§ì?é???í¨?à?ú?àí??ò·??a??ê????a???ò1?±???ò???·§????Dyè?·§??·§è???D?×'?é3é?2?ùD??ò?2×?D????ú?2?ùD?·§è??D??í¨?àò?°?3é??D??????ú×?D?·§è??D??í¨?à3éìYD????aD?D?×'ê1Dyè?·§???á11±????á?é????í?ê±ò22úéúá?ò??¨???eê§??Dyè?·§×?êêóú×÷?a?D??oí?óí¨?é?êò??°·?á÷êêó?????ê?òà?Yêêó???D??êoí?ü·a?????í3?ê'D???óDê±ò2?éó?óú?úá÷??óéóúDyè?·§?ü·a??????????'?óD2áê?×÷ó??????úè??aê±?éíêè?·à?1ó?á÷???é?ê???ó'???1ê?üí¨3?ò2?üó?óú'?Dü????á????é?ê??Dyè?·§??áíò?????òaì?D?ê±?üò×óúêêó|?àí¨?à?á11??ò???ò???·§?éò?????á?????èy????é??á????2?í???á÷?à???a?ù?éò??ò??1ü?à??í3??éè??????éù·§??ó?á?ò??°éè±??DDèòa??ò?D?á??ó???t??

Dyè?·§??í¨?àóD?à??D?ê???3??????±í¨ê??÷òaó?óú????á÷ì???èyí¨oí??í¨ê?Dyè?·§êêó?óúá÷ì????ò??

èyí¨Dyè?·§ó|ó?·??§?o

Dyè?·§1?·o??ó|ó?óúóíì??a2é??ê??íoí??á·éè±??D??í?ê±ò21?·oó?óúê?óí??1¤????1¤???o????ììè?????òo??ê?óí??????í¨DDò?ò??°ò?°?1¤ò??D??

èyí¨Dyè?·§?á11ì????o

1??êêó?óú?-3?2ù×÷????±????ù???á±??? 
2??Dyè?·§á÷ì?×èá|D??? 
3???á11?ò?????à??ì??yD?????á??á??±?óú??DT?? 
4??Dyè?·§?ü·aD??üo???
5??2?êü°2×°·??ò???T?????é?ê??á÷?ò?éè?òa?? 
6???T????????éùD???

èyí¨Dyè?·§±ê×?1?·??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

èyí¨Dyè?·§?÷òa3?'??°??á??o






é?ò??a?o??óDá? ??ò??a?o??óDá?