英语词汇“coal seam sample”的读音、翻译、释义、用法及例句-开邑网

词汇	coal seam sample
释义	coal seam samplecoal seam sample1.■煤层煤样
随便看	channel electrometry channel electron multiplication channel electron multiplier channel encoder channel encoding channel end interrupt channel entrance channel entry channel erosion channel etching channel expansion channel ferry channel fever channel fill channel-fill cross-bedding channel filter channel flag channel flow channel flow with vari able mass flow rate channel for air channel formingdie channel forming die channel free signal channel frequency channel frequency characteristic

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