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