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

词汇	pure coal substance
释义	pure coal substancepure coal substance1.■煤可燃质
随便看	precision seeder precision self-locking drill chuck precision sizing precision-sleeve splicer precision sliding valve precision small coaxal microwave connector precision spectrograph precision speed reduction device precision spherometer precision spin precision standard precision static toroid yoke precision stereoplotter precision stereoplotter mapping precision sweep precision teaching precision template precision testing precision testing audiometer precision theodolite precision timing circuit precision tools precision torsion balance precision tracking precision traverse setting device

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