english Valve Arm 汽门摇臂
english Valve Guide 汽门导管
english Valve Spring 汽门弹簧
english Proportional Valve 比例阀
english Tire Valve 轮胎汽门嘴
Many give credit to THOMAS CRAPPER (1837-1910), an English sanitary engineer, for inventing the valve~and~siphon arangement that made our modern toilet possible.
绝大多数人都认为是汤马斯·克拉普（1837-1910）这位英国卫生工程师的功劳，他发明的冲水阀门和虹吸管成就了我们今天的马桶。
Valve expert in the field of designing the temperature and pressure-releasing valve. The experts can use English language in the lecture.
减温减压阀设计制造方面的专家，能运用英语进行讲解。
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