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水文地質工作的主要工作內容之一,就是测定觀測孔中的水位。現在所通用的測水器在使用時頗不方便,而且測得的結果也不太準確。最適於測定鑽孔水
One of the main tasks of hydrogeological work is to determine the water level in the observation hole. Now commonly used water meter is not convenient to use, and the measured results are not accurate. The most suitable for determination of drilling water