详细介绍了它的施工方法、主要设备。
Some construction methods and main equipment are introduced in detail.
详细介绍测量的基本过程、方法和仪器设备。
The measurement process, method and apparatus are introduced. Test model is also built;
详细介绍测量的基本过程、方法和仪器设备。
The measurement process, method and apparatus are introduced. Test model is also built;
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