煤矿机械英语每日一句-欢迎你再来，习大大接见梅首相！-011

This is her second visit to China as prime minister. Her first came when she attended the G20 Summit in the eastern Chinese city of Hangzhou in September 2016.

该句式套用时，可以说this is XX’s second time to visit our company as CEO. His/her first time is when he or she attend the meeting discussing the greatest coal mining project in our company. 这是XX作为总经理第二次来访我公司，上次他/她来的时候是来讨论最大的煤矿设备项目的时候。

Q： 怎样理解工序的流畅化？