Nautical A device, such as a gyroscopically controlled fin, that prevents excessive rolling of a ship in heavy seas.
控制鳍板的一种装置，如回转仪，用于防止轮船在深海中过于摇晃。
There are fin cutting devices to produce serrated fin tube and cutting speed is controlled automatically depend on welding speed of tube dancer.
开齿机将翅片切开，可生产出锯齿形翅片管。剪切速度，根据辊子输送管子后焊接的速度自动控制。
The start of defrosting of Air-cooled heat pump is usually controlled by the temperature of the surface of fin-tube exchanger.
风冷热泵通常采用测量翅片管表面温度来控制化霜。
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