high temperature coal pitch
high temperature coal pitch
高温煤沥青
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Maintaining basically same quality of coke, the mixing of medium temperature pitch can appropriately reduce the mixed volume of high quality coking coal and fat coal, decrease the cost of mixed coal.
保持基本相同的焦炭质量，配入中温沥青后可以适当减少优质焦煤、肥煤的配量，降低配合煤成本。
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