It is rarely a 'quick fix' solution to a problem and can sometimes be a frustrating and disappointing experience - falling short of initial hopes and expectations. But it does not have to be this way.
它很少是解决问题的快速方法，有时是让人沮丧和失望的经历—与最初的期望相去什远。
2
Values falling outside acceptable ranges or failing to meet minimum acceptance criteria should result in defects that must be resolved before the solution can be deployed.
Finally, falling film absorption changes with the solution parameters at inlet and system pressure and the change trend is very similar to what happened in the static tube.