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close and open

  • 关闭和打开:指在某个过程中先关闭,然后再打开。
  • 开关:指用于控制电路通断的装置。

双语例句原声例句权威例句

  • And again I closed and opened my hand, and in its hollow stood a man with a sad face, turned upward.

    再次握紧展开掌心伫立满面愁容,昂首向天。

    youdao

  • The operation principle and oil distributing rule are introduced by expansion method. The features of closed and opened oil circuit are discussed briefly.

    本文展开介绍工作原理关系,并扼要讨论闭式与开式油路特点

    youdao

  • The paper introduces the configuration of system and the work principle of the closed and opened loop control in the pitching of collimation prism of the submarine periscope.

    介绍潜艇潜望镜瞄准棱镜俯仰闭环控制控制的组成及其工作原理

    youdao

更多双语例句
  • He did not speak as the trial opened, and he kept his eyes mostly closed.

    VOA: standard.2009.11.30

更多权威例句
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