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