－Having many helpers makes a task easier and faster to complete.

－I think so. ______. [ ]

A. Many hands make light work

B. Too many cooks spoil the broth

C. The early bird catch the worm

D. The more you learn, the more you know

启动补氨泵首先启动变频器，确认变频器无故障状态；启动电机；根据PH值进行变频调速或手动调速。