您要查找的是不是：
- The trees were planted at 20 ft intervals. 这些树是每隔20英尺栽种一棵的。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- If took ten men to wrestle the device into place. 用了10个人才把那台装置挪动到位。
- A device used to modulate an electromagnetic wave. 调制器用以调制电磁波的装置
- She got the information by some device. 她运用某种手段获取了情报。
- The cap rock over Grand Salme is only 28 ft thick. 大萨林盐丘的冠岩厚度只有28英尺。
- This is a device for squaring the circle. 这是一个不可能实现的方案。
- Let's put the new device to the test now. 现在让我们现在来试验这部新装置。
- The data logger device has been fitted to ship's engine room. 数字记录仪装置已安装在船只的机舱里。
- The device had undergone extensive testing. 这种装置经受过广泛的试验。
- Water was found at a depth of 30 ft. 在30英尺深处找到了水.
- A device used to raise the nap on a fabric. 起毛机一种用于使纤维起绒毛装置
- The cliffs soar 500 ft into the air. 峭壁高耸达五百英尺。
- An electronic device amplified the speaker's voice. 电子设备放大了演讲人的声音。
- A device for equalizing pressure or strain. 均衡器用来使电压或电流保持平稳的设备
- Glide. Subject glides at speed of20 ft. 滑翔术：受术者以20呎的速度滑翔。
- A device for indicating wind direction. 风标用来显示风向的设施
- The towers are 170 ft above the caisson. 沉井以上的塔柱高度为170英尺。
- A device or mechanism that grinds grain. 磨臼，磨粉机磨谷物的装置或机械
- The course is 1 year FT, 2 years PT. 该课程全日制学习1年，非全日制学习两年。
