pilot actuated safety valve的意思|示意
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先导式安全阀
pilot actuated safety valve的网络常见释义
先导式安全阀 ... 普通带扳手弹簧敞开式安全阀 Conventional Open Spring with Lever 先导式安全阀 Pilot Actuated Safety Valve 主蒸汽安全阀 Main Steam Safety Valve ...