他似乎只是出于职业缘故而喜欢她。He seemed fond of her in a strictly professional way.不知什么缘故，他最近十分沉默，有点异样。He's been very quiet and withdrawn, sort of different, somehow.疾病的产生往往是由于饥饿的缘故,因为身体很虚弱.Disease often follows on starvation bec...
提出一种新的催化裂化主分馏塔建模方法.A new method establishing models of FCC main fractionator was proposed.这是一座分馏塔.This is a fractionating tower.研究分析了催化裂化装置的主分馏塔与稳定塔之间操作控制的关联性.The operation and control interaction analysis between main f...