closed circulation

基本解释

Most chordates have a high-pressure, closed circulation with a ventral heart.
大多数脊索动物循环具有高压的、封闭的循环系统，心脏位于腹面。
The technology of the closed circulation and zero discharge in paper mills with waste paper as raw material is a mature one.
废纸作原料的制浆造纸厂全厂废水封闭循环和零排放的技术已经成熟。
In the closed circulation system of ash-sluicing water of coal-fired power plant, the scaling of the hydraulic ash transport pipes and the backwater pipes is the main problem that need to be solved.
在燃煤电厂冲灰水闭路循环系统中，水力输灰管和回水管的结垢是所需解决的主要问题。

"It was pretty much of a shock when I got here." "I mean,if you're going to talk to some of your friends of some of the stuff you saw and you can't describe the smells, the feeling of the heat on your body and the sweat running down your back, the smell of the pus that hits your nose of unwashed bodies in a closed room, the circulation, the smell of your own panic when you're not sure what to do" Other doctors in the film echo Dr.Krueger's sentiments.

There are three gates, and circulation could be aided by keeping some open at some times, and closed at others.
ECONOMIST: Flood barriers

闭路循环
The salary management system is a closed circulation system, you can adjust the outcome of the evaluation, performance interviews, the results of audits result of the test means the application of the system gradually maturing and improving.
本薪酬管理系统是一个闭路循环系统,可以通过考评结果的调节、绩效面谈、结果审核、考核结果应用等手段使系统逐步成熟和完善。
生物学
闭锁循环