The other flange of the piping is kept free and is set to the tray's flange with a temporary blind.

管道另一端法兰不连接作，用于连接临时盲板制成的法兰盖。

youdao

The other flange of the piping is kept free and is set to the tray's flange with a temporary blind.

管道另一端法兰不连接作，用于连接临时盲板制成的法兰盖。

youdao