Therefore, in the short run, typically labor and materials costs are variable costs, while capital costs are fixed.
所以，在短期运行生产中，典型的生产力和原料的成本是可变成本，资本成本是固定成本。
Project management costs adopt the mode of comprehensive unit price of fixed labor days and provisional total price offer in the light of working range.
工程项目管理费根据工作范围采用固定人工日综合单价、暂定总价报价方式。
Project management costs adopt the mode of comprehensive unit price of fixed labor days and provisional total price offer in the light of working range.
工程项目管理费根据工作范围采用固定人工日综合单价、暂定总价报价方式。
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