However, this is not pure transaction costs, they should be called the system cost.

不过，这不是纯粹的交易成本，他们应该被称为系统的成本费用。

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The vanadium chromium aluminum alloy does not need pure chromium and pure vanadium as raw material for production, thereby having lower production cost and wide application prospect.

本发明钒铬铝合金，不需要采用纯铬和纯钒为原料进行生产，生产成本较低，具有广阔 的应用前景。

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