手机彩票平台

球阀

QIUFA(ball valve）BIAOZHUNGB/T21465-2008《FAMENSHUYU》ZHONGDINGYIWEI：QIBIJIAN（QIUTI）YOUFAGANDAIDONG，BINGRAOQIUFAZHOUXIANZUOXUANZHUANYUNDONGDEFAMEN。YIKEYONGYULIUTIDEDIAOJIEYUKONGZHI，QIZHONGYINGMIFENGVXINGQIUFAQIVXINGQIUXINYUDUIHANYINGZHIHEJINDEJINSHUFAZUOZHIJIANJUYOUHENQIANGDEJIANQIELI，TEBIESHIYONGYUHANXIANWEI、WEIXIAOGUTIKELIAODENGDEJIEZHI。ERDUOTONGQIUFAZAIGUANDAOSHANGBUJINKELINGHUOKONGZHIJIEZHIDEHELIU、FENLIU、JILIUXIANGDEQIEHUAN，TONGSHIYEKEGUANBIRENYITONGDAOERSHILINGWAILIANGGETONGDAOXIANGLIAN。BENLEIFAMENZAIGUANDAOZHONGYIBANYINGDANGSHUIPINGANZHUANG。QIUFAFENLEI：QIDONGQIUFA，DIANDONGQIUFA，SHOUDONGQIUFA。