求翻译：一吸塔的操作控制是水溶液全循环尿素工艺的关键，一吸塔的操作指导原则是用系统水平衡的概念来指导一吸塔的操作。一吸塔吸收工况的好坏直接体现出整个系统是否运行正常。是什么意思？

A suction operation of the control tower the whole cycle of aqueous urea process is the key to the operation of an absorption tower guiding principle is the concept of water balance system to guide the operation of an absorption tower. An absorption tower to absorb the good and bad working condition

The operation of the control tower sucks aqueous solution is the key to the entire cycle urea crafts a drug operating water balance of the Guiding Principles is to use System concepts to guide a drug operating. A drug tower tuned absorption, good or bad directly reflect the entire system is function

As soon as attracts the tower the operation control is the water-soluble fluid complete alternation urea craft key, as soon as as soon as attracts the tower the operation guiding principle is instructs with the system level balance concept to attract the tower the operation.As soon as attracts the t

Operational control of the tower is the key to aqueous solution total recycle urea process, an absorption tower of actions guided by the principles of water balance of systems concepts to guide the action of absorption tower. An absorption tower of absorbed direct reflection of the whole system is f

It is that aqueous solution circulate the key to the urea craft completely that an operation to suck tower is controlled, an operation guideline of sucking the tower is to guide an operation to suck tower with the concepts of the horizontal weighing apparatus of system. It is that the operation is n