On account of demand, inside pipe of hot spring preparation sets with one-way valve and solution feed pump.

还可根据需要在温泉制剂管内设置单向阀及供液泵。

youdao

On account of demand, inside pipe of hot spring preparation sets with one-way valve and solution feed pump.

还可根据需要在温泉制剂管内设置单向阀及供液泵。

youdao