孔缝
A pipe or chamber having multiple apertures for making connections. 多支管具有几个用于连接空口的管子或空腔
Mountings and apertures for external equipment controls. 英文名称： Tractors for agriculture and forestry.
A small opening,especially either of two windowlike apertures in the medial wall of the middle ear. 耳窗尤指中耳内壁上的两个窗状的小开口
A small opening, especially either of two windowlike apertures in the medial wall of the middle ear. 耳窗尤指中耳内壁上的两个窗状的小开口
Maximizing useful daylight while minimising apertures makes rooflights the best possible method of minimizing the use of artificial electric ligh . 最大化有益的日光，而最小化开口缝隙以使采光屋面达到最小限度的使用人工电灯，这是最可能的方法。
