英语语法分析

In the end hardware electrocircuit have been finished.

最后进行了硬件电路设计。

Electrocircuit and time controlled precisly to improve the quality of welding.

焊接过程中电流和时间精密控制，提高焊接质量。

Hardware designs include the main electrocircuit and control electrocircuit designs.

硬件设计包括主电路与控制电路两部分。