ECRH

例句：

1. 1. The ECRH is the main computer in our office.
   电子计算机是我们办公室的主要计算机。
2. 2. He was able to fix the ECRH with just a few simple steps.
   他只用了几个简单的步骤就能修理好电子计算机。
3. 3. The ECRH has become an essential tool for modern businesses.
   电子计算机已经成为现代企业必不可少的工具。