?封闭套
... seal assembly 密封组件 seal boot 封闭套 seal bore extension 密封筒加长短节 ...
?封闭罩
... seal bellows 密封波纹管; 密封皱纹管 seal boot 封闭罩 seal box 密封盒; 密封箱 ...
橡皮管密封
类型 ; 防尘套
类型
Interesting that one of the other activities was Navy Seal Boot Camp.
FORBES: espnW: A Marketing Message Gone Wrong
However, the seal managed to escape from the boot by pushing down one of the rear seats and wriggling up onto the dashboard.
BBC: Smartie the seal
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。