... measuring hole ==> 测量孔 measuring hoper ==> 计量漏斗 measuring hydrophone ==> 测量水声器 ...
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measuring hoper used 计量漏斗
This paper describes and discusses the configuration, coorking principle and design methods, etc, of measuring hoper used in underground mine.
论述了井下矿山矿井计量漏斗的结构、工作原理和设计方法等。
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