bellow-type differential pressure meter的意思|示意
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波纹管式差压计
bellow-type differential pressure meter的网络常见释义
伸缩囊型差压 ... bellow-type expansion joint 波纹管膨胀节 bellow-type differential pressure meter 伸缩囊型差压 bellow type detector 折箱式检测器 ...