Profile survey is transportation, water conservancy, electric power engineering construction must be done.
断面测量是交通、水利、电力等工程建设中必须进行的工作。
The construction of output profile, the method and process of getting color dada were introduced.
介绍了输出设备特性文件元素数据的构成，以及读取颜色数据的方法和过程。
The edge support also has a hollow profile with a construction height of 60 cm.
边缘支撑同样有60厘米高的中空截面。
The edge support also has a hollow profile with a construction height of 60 cm.
边缘支撑同样有60厘米高的中空截面。
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