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- 四管CCFLfour lamp pipes CCFL
- 基于四管同步升降壓變換器汽車(chē)適配器設計Automotive Adaptor based on Four Switchers Synchro Buck-Boost Converter
- 安徽省1990年火電廠(chǎng)“四管”泄漏事故分析Analysis on Boiler Tube Leak in Power Plants of Anhui Province in 1990
- CCFL（冷陰極熒光管）CCFL
- 無(wú)立方相層（CCFL）cubic carbide free layer (CCFL)
- 品管QA
- 大學(xué)英語(yǔ)四級College English Band 4
- 排氣管vent-pipe
- 配管tubing
- 四是fourthly
- 熱管thermotube
- 四星four stars
- 盤(pán)管pipe coil
- 四不像milu
- 別管no matter (who/what etc.)
- 四驅4 wheel driven
- 四期fourth phase
- 只管(adv) no need to think about; by all means
- 四方形square
- 品管部quality control department
