headroom是什么意思？

headroom

英[ˈhedru:m] 美[ˈhɛdˌrum, -ˌrʊm]

• n. 净空，头上空间，（拱梁等下面的）净空高度；

例句

• Carry headroom to provide technical equipment standard. 提高空管技术装备水平.
• There is not enough headroom for buses to go under this bridge. 这座桥梁下面的净空高度不够,公共汽车不能通行.
• There's a lot of headroom for such a small car. 这么小的一辆汽车的头上空间蛮大的。
• The forecabin, with 6ft headroom, also has plenty of room to stand and get dressed. 前舱有6英尺高的净空，也有足够的空间供人站立和穿衣服。

柯林斯高阶英汉双解学习词典释义

• N-UNCOUNT
  （屋顶或桥下的）净空
  Headroom is the amount of space below a roof or bridge.
  例句
  The forecabin, with 6ft headroom, also has plenty of room to stand and get dressed. 前舱有6英尺高的净空，也有足够的空间供人站立和穿衣服。

英英词典释义

• Noun
  1. vertical space available to allow easy passage under something
  2. the capacity of a system to reproduce loud sounds without distortion

行业词典

• 船舶： 吊钩净高；吊货钩处于最高位置时距舷墙或舱口围板上缘的净高度。；