achromatic eyepiece
相关英语词汇推荐
- angular distortion
- rehabilitation
- open air a-nitrate explosive
- priming
- red survey number [squatter]
- request(application)
- Flexible pavement
- downstream
- neutron shield
- condensation water
- california bearing ratio (CBR)
- rodding
- vacuum form
- tiltmeter
- enterprise behavior
- monitor
- double letting premises
- Director of Drainage Services
- movable barrack
- PVC 2 Cord 2 Sheathing Cable