technical improvement

• 技术改造

technical improvement的用法和样例：

例句

1. By technical renovation the pump is able to run smoothly for a long period of time.
   通过技术改造，使液氨输送泵能够长周期平稳运行。
2. The overall technical transformation is not only a pressing need but a practical possibility.
   全面技术改造，不仅是迫切需要，也有现实可能。