I'll be engaged with a client this evening.

自己晚上要和一个客户有事。

youdao

Therefore, it is essential to be engaged with the research on technical water supply.

因此，开展水电站技术供水的研究是十分必要的。

youdao

Therefore, it is essential to be engaged with the research on technical water supply.

因此，开展水电站技术供水的研究是十分必要的。

youdao