... dashpot check valve 缓冲单向阀 deadweight safety valve 静载荷保安阀; 静载荷保安阀; 杠杆式安全阀; 荷重式安全阀; 重锤式安全阀 deadweight valve 重量保安阀 ...
基于130个网页-相关网页
短语
直接荷重式安全阀
direct loaded safety valve
;
direct weighted safety valve
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deadweight safety valve
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deadweight safety valve
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