double-sealed

常见例句

Introducing the structure design,working principle and performance of double sealed guide valves.
介绍了双密封导轨阀的结构设计、工作原理与性能特点。
The pot cover has applied double sealing.
锅盖采用双道密封。
Insert ball bearing unit is consisted of a double sealed, single row bearing and one of various types of housings (cast iron or stamping steel housing).
带座外球面球轴承由一个双面密封且外圈具有球形外截面的宽内圈深沟球轴承和一个轴承座(铸铁座或钢板冲压座)两部分组成。
There are double seals for ball baring unit and it is normally pre-greased for working in the condition of dust, slob and causticity.
带座外球面轴承一般为预填装润滑脂，采用双层密封形式，适合在粉尘、泥水、腐蚀性介质的场合内使用，利于主机工作。
Application of Dry Gas Double Seal for Hydrogen Compressor
双端面干气密封在氢压机上的应用
Application of Liquid-filled Double Seal in Floating Roof Tank
充液式双重密封在浮顶罐中的应用