According to the guide type of the pole, the observation pole now used to monitor the ground settlement in Shanghai has two kinds of structure, i. e. cable guide and guide wheel.
目前监测上海市地面沉降的观测标按照标杆导正方式进行划分,主要有两种结构即钢丝绳导正式和导轮扶正式。
According to the guide type of the pole, the observation pole now used to monitor the ground settlement in Shanghai has two kinds of structure, i. e. cable guide and guide wheel.
目前监测上海市地面沉降的观测标按照标杆导正方式进行划分,主要有两种结构即钢丝绳导正式和导轮扶正式。
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