Pressure Seal Gate Valve的意思|示意
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压力密封闸阀
Pressure Seal Gate Valve的网络常见释义
压力密封闸阀 ... Forged Steel Gate Valve 锻钢闸阀 Pressure Seal Gate Valve 压力密封闸阀 Parallel Slide Gate Valve 平行滑动闸阀 ...