法兰和对夹连接钢制衬氟塑料蝶阀、抽样的最少基数和抽样数
公称尺寸 DN
最少基数/台
抽样数/台
≤150
10
2
≥200
3
1
Your closest 开云手机登录界面-开云(中国) is
Return to 开云手机登录界面-开云(中国) International continue to 开云手机登录界面-开云(中国)
This region has not yet joined our new website. You will now continue to the existing site for 开云手机登录界面-开云(中国)
Continue