The axes 22 of the acoustic drivers are parallel and coplanar, that is, the axes lie in a common plane 33.
各声学驱动器的轴线22平行且共面,也就是说轴线位于共同平面33中。
2
The axes of the reflecting surfaces of the two parabola reflectors are overlapped at a common axis, and the focuses of the reflecting surfaces are overlapped at a common focus.