单词sealed-unit
网络: 油封单元；密封装置
Certain corrective actions of this guide may not be feasible with the Compact Ball Valve (sealed unit).
对于紧凑型球阀（密封装置），本指南的某些纠正措施可能并不可行。
The body is a sealed unit and must be cut open to remove the filler.
身体是一个密封的单位，必须切开移除填充物。
It is a sealed unit, crimped at the base.
这是一个密封的单位，在该基地轧花。
Improvement of Nitrogen-sealed Unit in Ultra-pure Water Treatment System
超纯水制备系统氮封装置的改进
Improvement on Sealed Unit of Axle of Sandstone Pump
砂石泵泵轴密封装置的改进