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1·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。

2·The water quality required in the closed circulation is generally of the soft water.

密闭系统所要求的水质一般是软化水。

3·The invention relates to a closed circulation pickling bath, and pertains to the pickling device technical field.

一种封闭式循环酸洗槽，属于酸洗装置技术领域。

4·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。

5·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。

6·The refrigerant liquid tanks form a refrigerant water closed circulation system through pipes, a refrigerator, a refrigerant water pump and a refrigerant water throttle valve to supply a cold source.

冷媒水箱由管路与制冷器、冷媒水泵和冷媒水节流阀 组成冷媒水闭路循环系统提供冷源。

7·Circulation in Europe, which accounts for more than two-thirds of the global total, has fallen by more than 10 percent, Mr. Bakker said, and dozens of titles have closed.

在欧洲的发行量，原占全球发行总数三分之二以上，现发行量已经下降了10%以上，巴克先生说，很多报纸已经关闭。

8·East China summer rainfall TBO is closed with air circulation anomaly.

中国东部夏季降水tbo空间模态与大气环流异常关系密切。

9·Using the central control system PLC, intelligent temperature controller and pressure gauge to replace the three pen recorder to realize the closed loop circulation and record of outer temperature.

采用中央控制PLC、智能温控器及压力仪表等替代原进口三针记录仪，实现外温的闭环控制和记录；

10·Such endeavor promoted the substitution of the traditional and unidirectional linear economy for the material closed-loop flow circulation economy having material circulation utilization as its core.

这种努力促使以物料循环利用为核心、物质闭环流动型的循环经济，取代传统的、物质单向流动的线性经济。