密闭
obturate; obturation
closeness
密闭的
airtight
pressure-tight
密闭地
hermetically
密闭容器
closed container; closed vessel
密闭溶度曲线
closed solubility curve
密闭砂滤器
closed sand filter
密闭式电动机
closed type motor
密闭式发电机
closed type generator
密闭式混炼器
Banbury
密闭式运输带
zipper conveyer
密闭式自动输送
automatic custody transfer
密闭系统
closed-system separator
密闭形轴承
closed-type bearing
密闭循环加油系统
closed-circuit oil system
密闭循环润滑系统
closed-circuit oil system
密闭贮罐
colsed tank
内回流
internal reflux
尿道精囊差别回流
urethrovesiculo-differential reflextonus
贸易秘密
trade secret
美国密码通信协会
ACA