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