mechanical counter的用法和样例：
例句
- An easy-to-read LCD display and solid-state construction eliminate gear and miscount problems associated with mechanical counters.Fail-safe design eliminates accidental resetting.
电子计数器不使用机械计数器的齿轮部件，防止错误计数，并且具有故障保险防止因误操作将数字清零。 - The length of the finished sheet is measured by the electronic measurement instrument or mechanical measurement instrument.
出板长度有电子计量器械或机械计量器两种仪器计量。
