密封: seal; seal up; seal airtight; seal hermetically; encapsulation lutation; hermetic sealing; sealing; sealing off; enclosing 短语和例子密封的罐头 sealed tin; 密封的容器 hermetically sealed chamber; 密封的文件 s
Example Sentences:
1.
A concealed exhaust system equipped with high efficiency particulate air ( hepa ) filter was installed for the safety cabinets and the fume cupboards to reduce pollutant emission of the exhaust air by 99 % 为减少化验所排放的废气对空气质素造成影响，化验所安装了一组密封式排气系统，接连者安全罩柜和排气罩柜。
