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　　cavity sealing

　　常见释义：

　　空腔密封.

　　1、sealing water ─── 密封用水

　　2、sealing machine ─── 【包装】封口机；封装机；熔接机；密封机，熔接机，封口机

　　3、sealing strip ─── 封密条；汽封片；汽封片; 密封边; 密封带; 密封片

　　4、cavity ─── n.腔；洞，凹处

　　5、sealing surface ─── 瓶口，封接面；密封面；封接面；瓶口

　　6、sealing wax ─── 封蜡；【材】火漆；n.封蜡，火漆

　　7、sealing ─── n.猎捕海豹；封闭；密封；v.系紧，封牢；快速煎炸；加封，盖印；达成，确保（seal的现在分词）

　　8、pharyngeal cavity ─── 咽喉，咽腔

　　9、sealing ring ─── 【机】密封环；对闭砂条；垫圈；封闭圈

　　1、box type structure, cavity cannot antirust paint corrosion, in order to prevent moisture intrusion corrosion beam cavity, sealing the inner cavity of the main girder must keep. ─── 箱型结构的主梁，内腔无法涂漆防锈蚀，为了防止水汽侵入腐蚀主梁内腔，必须保住主梁内腔的密封性。

　　2、sealing principle of sealing cavity in single thread twin screw pump is the same as that in double thread twin screw pump. ─── 单头双螺杆泵与双头双螺杆泵密封腔的密封原理相同。

　　3、This annealing furnace has large furnace cavity, good sealing and heat insulation performance. ─── 该炉型炉膛空间大，密封隔热保温性能好。