welding plate flange的意思|示意

焊接板式法兰 ... welding motor generator 旋转式直流焊机,电动焊接发电机,电动旋转式电焊机 welding plate flange 焊接板式法兰 welding rod 焊条 ...

板式平焊法兰 ... 松套带颈法兰，Loose hubbed flange 板式平焊法兰，Welding plate flange 对焊环，Welding neck collar ...

烧焊板式法兰 ... 垫环 spacer 烧焊板式法兰 welding plate flange 双板对夹式止回阀 dual plate wafer type check valve ...

焊接板式 ... 松套带颈 法兰 loose hubbed flange 焊接板式 法兰 welding plate flange 平焊环 welding-on collar ...