... 承压环 pressure ring 承压块 pressure block 承压力 bearing force; bearing pre ure; bearing pressure; carrying load ...
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back pressure block 后压钳组件
keel-block pressure 龙骨墩压力
pressure switch block 压力开关体
block pressure test group 缸体耐压试验组件
slide block pressure 滑块压力
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