然后，当然，打开机器。

Then of course, powering up the machine.

youdao

开机，迅速将转速调至10档，然后开至高速档。

Turn machine on and quickly increase speed to Variable 10, then to High.

youdao

开机，迅速将转速调至10档，然后开至高速档。

Turn machine on and quickly increase speed to Variable 10, then to High.

youdao