If the screen pack or pipe has the damage can ravel flowmeter check, remove impurities.

若过滤网或管道有损坏可拆开流量计检查，去除杂质。

youdao

If the screen pack or pipe has the damage can ravel flowmeter check, remove impurities.

若过滤网或管道有损坏可拆开流量计检查，去除杂质。

youdao