More addition, it can greatly reduce the raw material cost.

添加量大，能显着降低原材料成本。

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Raw material cost keep accounting for the high proportion of the total cost.

原料采购成本占企业总成本的比重居高不下。

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The invention has low raw material cost, product with excellent mechanical strength and simple production process.

本发明原料成本低，产品具有优良的力学强度，并且生产工艺简单。

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Steel makers have been forced to take steps to protect themselves against painful raw material cost increases mainly due to surging demand from Asia's tiger economies, including China, to power their growth.

BBC: Rio shares up on bid speculation

They were crippled in their battle against the Scots by the simple fact that wine, their raw material, cost up to 20 times the price of barley.

ECONOMIST: Spirits

However, with the demand for clothing picking up alongside the shortage of cotton, the cost of the raw material has soared.

FORBES: King Cotton Getting Cheaper Would Send Aeropostale To $36