They rarely take physical delivery of raw materials and have no effect on the actual production and consumption of metal, grain or oil.
他们很少进行原材料的实物交割，对金属、谷物或者石油的实际生产和消费没有影响。
The paper briefly introduces the production process flow and the physical properties of "black oil" in JZ 20-2 Condensate Field.
本文简要介绍了锦州20 - 2凝析气田的生产工艺流程和“黑油”的物性。
They rarely take physical delivery of raw materials and have no effect on the actual production and consumption of metal, grain or oil.
他们很少对原材料进行实物交割，因此并没有对金属、谷物和原油的实际生产和消费产生什么影响。
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