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