... fractionating crystallization 分段结晶 fractionating device 分馏装置 fractionating devices 分馏装置 ...
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gas fractionating device foundation 气体分馏装置地基
the light hydrocarbon fractionating device 轻烃分馏装置
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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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