Display unit: a visual means of showing characters; using a cathode ray tube, GAS discharge or other type of device.
显示器：一种视觉媒介，它用阴极射线、气体放电或其他装置来显现字符。
The water-plugging device of large diameter tube used for water-finding comprises a water-plugging gas bag arranged circulating the frame, an inlet pipe or a discharge pipe is arranged in the frame.
这种大口径管道试水用堵水器的基本结构包括环绕支架设置的堵水 气囊，支架上设置进水管或排气管。
The water-plugging device of large diameter tube used for water-finding comprises a water-plugging gas bag arranged circulating the frame, an inlet pipe or a discharge pipe is arranged in the frame.
这种大口径管道试水用堵水器的基本结构包括环绕支架设置的堵水 气囊，支架上设置进水管或排气管。
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