| 1. | The narrow shaft of the attack scope slid softly upward behind byron, and stopped .
拜伦背后进攻潜望镜的细镜筒悄悄地升起，最后停住了。 |
| 2. | Microscopes . connecting dimensions of tube slides and tube slots
显微镜.镜筒滑块和镜筒槽的连接尺寸 |
| 3. | Motion - picture equipment - 35mm and 70mm projection lenses and mounts
电影设备. 35mm和70mm投影透镜和镜筒 |
| 4. | Microscopes . connecting and fitting dimensions between ocular eyepiece and tube
显微镜.目镜和镜筒的配合尺寸 |
| 5. | As you can see above the lens extends a little bit towards closer focus distances
向近处对焦时内镜筒会略微伸出一段。 |
| 6. | Study of cutting thin - wall microscopic cylinder with the method of ultrasonic vibration
超声振动切削薄壁镜筒零件的研究 |
| 7. | Monocular vertical tube
单目直镜筒 |
| 8. | Biocular vertical tube
双目直镜筒 |
| 9. | With a solid - tube reflector , you need only check this once in a while
如果你的镜筒是整体化的，你只用隔一段时间检查一次就行了。 |
| 10. | Optics and optical instruments . microscopes . connecting dimensions of tube slides and tube slots
光学和光学仪器.显微镜.镜筒与镜筒滑槽间的连接尺寸 |
