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...
笼养蛋鸡疲劳症是骨质疏松症的一种类型.Cage layer fatigue is a type of osteoporosis.是啊, 搞这一行嘛,我们好多人有时总免不了要犯战斗疲劳症的.Well, in this job most of us have combat fatigue at one time or another.我们正冒着绿色疲劳症的危险, 毕竟, 我们能做什么 呢 ?We risk green fatigue, al...