即使砂料是加砂水刀运行成本的三分之二，也必须快速生产工件以消耗间接费用(劳动力、设施、租赁费用)。

Even sand is two thirds of operation cost of sand filling water cutter, and also must be rapidly produce the work pieces to consume the indirect expenses (labor force, facilities and lease expense).

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为生产某种产品而发生的劳动力成本就属于一种直接成本，企业经理的工资就属于一种间接成本。

The cost of labor applied to a particular product thus constitutes a direct cost while the factory manager's salary is an example of an indirect cost .

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治疗成本包括铁剂、红细胞生成素（EPO）、化验检查和不良反应治疗等直接医疗成本，患者的交通、陪护和辅助营养保健品等直接非医疗成本以及患者劳动力损失的间接成本。

The treatment cost included the direct medical costs in iron product, EPO, medical examination and adverse events, and indirect medical costs in traffic, nursing, nutriment and the loss of labor.

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