... 接近门 access door 释压门 pressure relief door 涡流控制装置 vortex control device 缩写VCD ...
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短语
负压释放活门
NEGATIVE RELIEF VALVE
释压活门
relief valve
释压差活门
differential pressure-relief valve
超压释放活门
overpressure relief valve
释压阀门
pressure-relief gate valve
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