“pontoon-tank roof”的概念、定义、翻译、参考文献-科学参考

单词	pontoon-tank roof
释义	pontoon-tank roof [pänh`tün ¦taŋk ´rüf] ^ENGINEERING A type of floating tank roof, supported by buoyant floats on the liquid surface of a tank; the roof rises and falls with the liquid level in the tank; used to minimize vapor space above the liquid, thus reducing vapor losses during tank filling and emptying.
随便看	initial great-circle course initial great-circle direction initial heading initial instructions initial inverse voltage initialize initial landform initial lead initial line initial lock mechanism initial mass initial mass function initial nuclear radiation initial orders initial permeability initial potential initial program load initial program load button initial saturation initial set initial shot start pressure initial surge voltage initial-value problem initial-value theorem initial velocity

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