Select trap directly from table for the lowest differential that may exist in the system.

直接从表格中根据系统可能存在的最低压差进行疏水阀选型。

youdao

Select trap directly from table for the lowest differential that may exist in the system.

直接从表格中根据系统可能存在的最低压差进行疏水阀选型。

youdao