concentric orifice with flange taps
... n.三爪内拉簧式夹盘 concentric orifice with flange tapsn.法兰取压同心锐孔板 rotating concentric tube distilling columnn.旋转同心管分馏柱 ...
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缩流法同心锐孔板 concentric orifice with vena contracta taps 法兰取压同心锐孔板 concentric orifice with flange taps; taps 多孔隔板 open mesh spacer; porous barrier .
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