... 褶皱角砾岩：fold breccia 褶皱盒：bellows chamber 褶皱管：pleated tube ...
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four-chamber bellows flowmeter 四腔膜盒式流量计
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The various timbres in the accordion chamber music playing are completed by the selection of register and the close coordination of bellows and keys touching.
手风琴室内乐演奏中的音色变化是通过变音器的选用、风箱及触键的紧密配合来完成的。
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