spring loaded pressure relief valve

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1.	弹簧加载的压力泄放阀 valve 阀门专业词汇A-Z ... spring loaded pressure relief valve 弹簧加载的压力泄放阀 spring offset valve 弹簧移位的阀 ... www.douban.com
2.	弹簧负载压力释放阀 ...ndard. Selection.破针装置，C. 弹簧负载压力释放阀 (Spring Loaded Pressure Relief Valve) ― 弹簧负载释压阀系依照压力之 … ja.scribd.com