coke-sampling and preparation of samples
焦炭试样的采取和制备 coke-sampling and preparation of samples 焦炭 [材料] coke; hard coke◇焦炭沉积 coke laydown; 焦炭炉 coke-fired furnace; coke furnace ..
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coke-sampling and preparation of samples
焦炭取样和样品制备
以上为机器翻译结果，长、整句建议使用 人工翻译 。