To make a seawater antenna, the current probe (an electrical coil roughly the size and shape of a large doughnut) is attached to a radio’s antenna jack.
为制作一根海水天线，电流探针（一种电子线圈，尺寸跟形状大致相当于一个大炸面圈）要连接到一副无线电天线端子上。
The new hydraulic hoisting jack is a construction equipment with our own knowledge property, which is used to install large-sized electrical equipment.
新型液压起重器是具有我国自主知识产权的安装大型电力设备的施工设备。
The utility model relates to an electrical hydraulic jack which belongs to a lifting device for transporting vehicles.
本实用新型电动液压千斤顶属于运输车辆的举升装置。
The utility model relates to an electrical hydraulic jack which belongs to a lifting device for transporting vehicles.
本实用新型电动液压千斤顶属于运输车辆的举升装置。
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