inclined-piston dead-weight pressure gauge 倾斜活塞静重压强计
dead-weight pressure gauge 静重式压力计
weight pressure system 重锤加压系统
drop weight pressure generator 落锤式压力发生器
Pressure Weight 压重砝码
roof pressure roof weight 顶板压力
Weight and Specific pressure 质量和比压
weight loaded pressure-regulating valve 荷重式压力调节阀
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