... 向导阀 pilot valve 向导式安全阀 pilot-type safety valve 向后,逆帆,逆风 aback ...
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pilot-operated type safety valve 先导式安全阀
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The structure characteristics and operation principium of new type pilot operated all open safety valve under low pressure and vibration working conditions are introduced.
介绍一种在超低压和振动条件下工作的先导式全启安全阀的结构特点及工作原理。
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