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The second demand is for metallurgical, or coking, coal.
第二种是对于冶金煤或者说焦化煤的需求。
youdao
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Excessive amount of catalyst, the temperature is too high or lead to severe coking.
催化剂用量过多，或者温度过高导致结焦严重。
youdao
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Excessive amount of catalyst, the temperature is too high or lead to severe coking.
催化剂用量过多，或者温度过高导致结焦严重。
youdao