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