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