Induced reflux is liquid formed within a fractionation tower by condensation of vapors by means of an internal cooling coil.
内回流是分馏塔内借助内部冷却盘管使蒸气冷凝而产生的液体。
The FON fractionating tower series , which evolve into three types-the big, the medium and the small, is a kind of device made for air fractionation.
FON系列分馏塔是一种空气分馏设备，在长期应用中形成了三种大、中、小三种型号。
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