... 蛋白质资料库 protein data bank 物质资料生产 production of physical materials 地质资源与地质工程 geological resources and geological engineering ...
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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。
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。
Another according to different requirements of customer material and physical, chemical properties, to carry out the preparation of raw materials and production.
另可根据客户不同要求的材质和物理、化学特性，来进行原料的配制和生产。
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