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我国自制的第一套供海河航行使用的“测深仪”已在上海试制成功。“测深仪”是船舶在海上或内河航行时的现代化助航设备之一,它的主要用途是可以随时自动测量出水的深浅,同时也可以帮助海上航行的船舶判断自己的方位和帮助渔船发现水底的鱼羣。 7月31日下午,这套“测深仪’’在上海港内进行了
The first self-made “sounder” for the Haihe River navigation trial has been successfully trial-produced in Shanghai. “Sounder” is one of the modern navigational aids when navigating a ship at sea or inland waterways. Its main purpose is to automatically measure the depth of the water at any time. It can also help ships at sea navigate their position and help the fishing vessel to find out Underwater fish. On the afternoon of July 31, this “sounder” was carried out in Shanghai