preoperation的用法和样例：

例句

用作名词(n.)

The problem existing in preoperation has been analyzed and resolvent has been given.分析了智能监控终端在试运行期间出现的问题并提出了解决办法。
This paper analyzes the familiar abnormal phenomena on the installation and preoperation process of electromechanical equipment and gives some countermeasures.本文分析了机电设备安装试运行过程中常见的异常，对如何进行解决提出了一些对策。

字源大挪移 Prefix - 表示方位的字首 08 pre

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