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1)  enclosed door bel
封闭式门铃
2)  department closing
部门封闭
3)  closed [英][kləʊzd]  [美][klozd]
封闭式
1.
The development and application of the closed negative pressure oil well pump;
封闭式负压抽油泵的研制与应用
2.
Characters and installation of concentrated closed bus;
密集型封闭式母线的特性及安装
3.
Development of Automatic Volumetric Closed-filling-sealing Machine for Soft-packaging Beverage
全自动封闭式定容软管灌装封口机的研制
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4)  closed circuit
封闭式
1.
Bench of closed circuit cooling tower that is composed of boiler ,exchanger, orifice flowmeter, water pump, micromanometer , heat indicator and so on is established.
建立了由锅炉、换热器、孔板流量计、水泵、微压计、温度计等仪器设备组成的封闭式冷却塔实验台。
2.
The thermal performance test apparatus of closed circuit cooling towers was introduced on the basis that the principle and characteristics of the new cooling tower was expounded.
阐述了空调用封闭式冷却塔工作原理及特点,重点介绍了封闭式冷却塔热工性能实验台,这个实验台由锅炉、换热器、孔板流量计、水泵、微压计、温度计等仪器设备组成。
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5)  Sealing styles
封闭样式
6)  totally enclosed type
全封闭式
例句>>
补充资料：封闭
①严密盖住或关住使不能通行或随便打开 ：大雪～了道路ㄧ用火漆～瓶口。②查封：～赌场。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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