一些水平，您可能需要开关的方向，做到这一点，迫切空间酒吧。
Some levels you may need to switch directions, do this by pressing SPACE BAR.
电能开关是控制能流方向的元件。
And the power switches are used to control the direction of power flow.
你握紧方向盘，再一次发动了点火开关。
从而得到开关型半导体激光器的研究方向和难点。
And the direction and difficult in researching power supply for laser driver will be discussed.
从而得到开关型半导体激光器的研究方向和难点。
And the direction and difficult in researching power supply for laser driver will be discussed.
应用推荐