bellows type safety valve
返回 19 条匹配短语对
Breathing type safety valve
呼吸式安全阀
呼吸阀
poppet type safety valve
提动阀
活瓣
twin type safety valve
复式安全泄气阀
Bellows Type Expansion Joint
波纹管补偿器
秩二元累积检测器(RQD)
bellows type gas flowmeter
膜盒式气体流量计
bellows type pressure gauge
波纹管压力计
bellows type regulator
波纹管式调节器
bellows valve
弹簧箱阀
波纹管阀
A Valve Type Puncture Needle
阀式穿刺针
ball type surface controlled safety valve
地面控制的球型安全阀
ball type tubing safety valve
油管球形安全阀
ball-and-dish seat type valve
球及球座型阀
piston type valve
柱塞阀
valve type bucket
阀式活塞
valve type piston
阀式活塞
Wet safety type
湿式安全型
additional safety valve
附加安全阀
ball safety valve
球形安全阀
球式安全阀
bottom-hole safety valve
井底取样器
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