您要查找的是不是：
- The aperture in the door is so wide. 门上的孔隙太大了。
- He told me which wells were usable along the road. 他告诉我沿线那些井是可用的。
- usable aperture 有效孔径
- We saw light through a small aperture in the wall. 我们透过墙上的小孔看到了亮光。
- New techniques make it possible to recover usable things from waste. 藉新技术即能从废弃物中回收可用之物。
- The act of obtaining usable substances from unusable sources. 废物利用从无用的东西中获取有用物质的行为
- An aperture through which matter is discharged. 输出口，喷嘴物体被释放出的开口
- I think your old canvas schoolbag is still usable. 我觉得你那个旧帆布书包还能用。
- The only light came through a narrow aperture. 仅有的光来自一个小孔。
- Worn or used until no longer usable or effective. 磨损的，损坏的穿破的，用坏的以至完全无用的
- Set to the desired lens aperture. 设置所需的镜头光圈。
- He tells me which wells are usable along the road. 他告诉我沿线那些井是可用的。
- A source of usable power,such as petroleum or coal. 能源可用能量的来源，如石油或煤
- An insulating lining for an aperture through which a conductor passes. 绝缘套管为导体的通过提供缝隙的绝缘套管
- A light came through the narrow aperture. 小孔里透过一缕光线。
- He tell me which wells is usable along the road. 他告诉我沿线那些井是可用的。
- Into this aperture a droplet of mercury was poured. 一小滴水银滴进了这个小孔。
- How can we display this data in a usable form? 我们如何把这些数据以实用形式展示出来呢?
- The first aperture was sufficiently large to enter. 最初出现的洞口已可容纳一个人进去。
- Object you now have is not yet usable. 对象还不可以用。
