Two insert installing valve is also named inserts again installs the type taper valve or the logical valve.
二通插装阀又称插装式锥阀或逻辑阀。
This article discusses the design betterment of taper valve in gas water heater. The problems existed in taper valve have been solved, which have got better effect.
论述了燃气热水器锥阀的设计改进，解决了存在的问题，取得了较好效果。
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