Step on flush water valve and pump at least 15 strokes with pump handle.

脚踩在进水阀门踏板上，同时将手摇泵摇压最少15下。

youdao

Unique, modulating action pilot operated relief valve with soft seats having the ability to handle hot water, steam, hot hydrocarbon vapors or liquids, using inert plastic soft goods.

独特，调节先导救济行动与有能力处理好热水，蒸汽，热水的碳氢化合物蒸气或液体，使用惰性塑料软商品软座椅阀。

youdao

Unique, modulating action pilot operated relief valve with soft seats having the ability to handle hot water, steam, hot hydrocarbon vapors or liquids, using inert plastic soft goods.

独特，调节先导救济行动与有能力处理好热水，蒸汽，热水的碳氢化合物蒸气或液体，使用惰性塑料软商品软座椅阀。

youdao