因此要清洗，拆卸底部塞、阀座弹簧、过滤器和阀座阀瓣。

To clean; remove bottom plug, seat spring, strainer and seat disc.

youdao

因此要清洗，拆卸底部塞、阀座弹簧、过滤器和阀座阀瓣。

To clean; remove bottom plug, seat spring, strainer and seat disc.

youdao