It is not necessary to open this valve to the full open position to provide full flow to the process.

必须把阀门开到完全开启的位置，以提供完全的流通。

youdao

It is not necessary to open this valve to the full open position to provide full flow to the process.

必须把阀门开到完全开启的位置，以提供完全的流通。

youdao