counting instrument

• 计数器

counting instrument的用法和样例：

例句

1. An abacus is also a counting machine, using our brain and our fingers.
   算盘也是一台计数器，用我们的头脑和手指来操作。
2. 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。