钢制阀门 一般要求
阀门公称尺寸和阀体端部基本内径的关系
单位为毫米
Your closest 欧宝网页版_欧宝(中国) is
Return to 欧宝网页版_欧宝(中国) International continue to 欧宝网页版_欧宝(中国)
This region has not yet joined our new website. You will now continue to the existing site for 欧宝网页版_欧宝(中国)
Continue