sealed area
基本解释
- [物理学]封闭区
英汉例句
- The workmen sealed this area off so they could do some construction.
工人已经把这个地段封锁起来,便于施工。 - The aerator only made of three major parts of pottery aerator aerate screw and cap is simple in structure and of easy assembly. there is a very small sealed area.
结构简单、组装方便。 整个曝气器仅由陶瓷曝气头、通气螺杆、螺帽三个主要部分组成,密封部位面积极小。 - Airtight structure is a very important facility in coal mines. It is of great significance to learn changes in parameters at sealed area timely and accurately for safety in production.
密闭是煤矿井下一道非常重要的设施,及时准确地掌握密闭内各参数的变化对安全生产有着重要的意义。
www.mct.com.cn
双语例句
专业释义
- 封闭区