Specific energy consumption is one of the important indexes of measuring continuous miner cutting drum design.
截割比能耗是衡量采煤机滚筒设计优劣的重要指标之一。
This paper introduces the structure, principle and circuits of a novel practical Instrument for measuring the surface temperature of revolving drum.
介绍了一种新型、实用的旋转滚筒表面温度测试仪的结构、原理和测量电路。
Marching snare drums are deeper in size than snare drums normally used for orchestral or drum kit purposes, often measuring in at a foot long.
行进小鼓的体积比一般为深套鼓乐团或用途的小鼓，往往在一英尺长的测量研究。
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