Also to ease making the connection from collector temperature sensor to control unit, a double-tipped silicon cable is attached besides the hose and insulation.
太阳能连接软管可以简便地从温度传感器连接到控制器，他除了软管和绝缘层外，还附加了一个电缆。
There is a double-layer, hose , and transparent tube , pipe, pipe.
软管有单层、双层，并分透明管、圆管、扁管。
Shipbuilding. fire hose. double hinge reels.
造船工业。救火水管。双铰链卷盘。
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