core assembly pressure 铁心装配压力
Initial Assembly Pressure 初始安装压力
low pressure safety valve assembly 低压安全阀总成
safety-pressure release assembly 安全释压装置
pressure tube assembly 压力管组合体
pressure-reducing shaft assembly 减压轴总成
pressure setting assembly 压力坐封装置
wireline pressure setting assembly 电缆工具压力坐封装置
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