2. This arrangement is used where there is little
headroom, as in trucks, buses, and rail cars.
这种气缸排列通常用在头部空间很小的机动车上,如货车、公共汽车以及有轨电车上。
3. Digital recorders and samplers produce audible distortion when they exceed their
headroom (i. e.
当数字记录和数字采样器器超过了它们的空间时会产生可闻失真()。