collimator
相关英语词汇推荐
- damping effect
- major
- Lunar probe
- cargo lamp
- triple treat sonar
- general speed
- topgallant
- British Insurance Group
- oil window
- lighting and ventilating shaft
- general delivery
- rise and fall
- principal traffic route
- Period of Container Leasing
- quotation
- assigned
- running out system
- broad on the starboard quarter
- quality conformance inspection
- master link,master rod; main connecting rod,