And another, even more important industrial material, petroleum, may also come from the mantle.
另外一种更加重要大的工业材料，石油，同样是来自地幔。
And another, even more important industrial material, petroleum, may also come from the mantle.
另外一种更重要的工业原料石油也是来自地幔。
Material Level Meter is an important and indispensable instrument in the industrial production.
物位计是工业生产不可缺少的重要测量工具。
Stand out special characteristic, build new material industrial base with high added value.
突出特色，建设高附加值产业基地。
Through industrial trial production, the light and high strength insulation material has been successfully manufactured.
经工业试验，试制出轻质、高强的绝热材料，经济、社会效益显著。
Aluminium is an important material for industrial production.
铝是工业生产的重要原料。
Corn as an industrial raw material, or as a food product is another matter.
玉米作为工业的原料，或者作为一种食品又是另一回事。
Corn as an industrial raw material, or as a food product is another matter.
玉米作为工业的原料，或者作为一种食品又是另一回事。
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