active airproof

 
       
  • 动密封

active airproof的用法和样例:

例句

  1. Keywords lower bearing;active airproof;ball bearing;sliding bearing;
    下部轴承;动密封;滚动轴承;滑动轴承;
  2. The orient has been playing an active role in the world economy.
    亚洲一直在世界经济中发挥积极作用。
  3. He is an active member of the school's stamp club.
    他是学校集邮俱乐部的一名活跃会员。
  4. An active volcano may explode at any time.
    活火山随时都有可能爆发。
  5. Is it wise to engage in active sports at your age?
    我这样的年纪积极参加体育活动是否明智?
  6. She was active as a left-winger in the party.
    她是党内积极的左翼分子。

active airproof的海词问答与网友补充:

提问补充

active airproof的相关资料:

临近单词

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