... abright 消色的，消色差的 acid accumulator （酸液）回收锅（或槽） acid accumulator alizarin dye 茜素染料，1，2-二羟基蒽醌染料 ...
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提供一种减压蒸馏方法以及减压蒸馏装置，其抑制蒸馏锅内的突沸， 回收不含杂质的高纯度溶剂。
A vacuum distillation method and a vacuum distillation device are disclosed, for inhibiting frothover in a distillation boiler and recycling high pure solvent in free of impurities.
该逸热回收器，可使燃气灶节能30％以上，提高炉温28％，并有抗风、稳定、扑锅不息火等功能。
Said device can make the gas range save energy by 30%, the temperature of gas range increase by 28%.
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