他们估计该工程费为五万美元。

They costed the construction at $50, 000.

他们估计该工程费为五万美元.

They costed the construction at $ 50, 000.

在详细介绍通信建设建筑安装工程费构成的基础上，分析了各项费用的计算与取定方法。

On the basis of the presentation of components of communication project installation fee, the calculation and selection methods of each fee are analyzed.