三是通过全站仪、测绳等常规测量方法来实现GPS作业盲区物理点的逐点实测。
Realize point by point actual measurement in GPS operation blind zones by the use of total station instrument, measuring line and other routine surveying methods.
专业生产防静电缆绳、采样绳、测油绳，吊装带绳等系列产品。
Specializing in the production of anti-static cable, sampling rope , measuring oil rope , lifting with rope and other products.
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