我想了解气动阀门和短尾座。

I want know pneumatic valve and short tail.

youdao

银钎焊法：将焊线或焊杆点在阀门里的管道套座上。

Silver brazing Method: Apply brazing wire or rod at point where tube enters valve socket.

youdao

银钎焊法：将焊线或焊杆点在阀门里的管道套座上。

Silver brazing Method: Apply brazing wire or rod at point where tube enters valve socket.

youdao