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- 倒U型特征converse U type characteristic
- 倒U型假说Inverted-U Hypothesis
- 立式倒U型管蒸汽发生器vertically inverted U-tube steam generator
- 双S曲线模型:对倒U型理论的发展与完善A New Double-S Curve Model for Improving the Converse-U Theory
- 倒U曲线inverse U curve
- 倒U假说Inverted-U-Type Hypothesis
- U型U shape
- “倒U”理论invert "U" theory
- U型壳U - shell
- “倒U字”模型Converse - U Model
- U型槽U -Shape Groove
- “倒U曲线”假说"upside- down U curve" hypothesis
- U型箍U-ferrule
- 库兹涅茨倒U曲线Kuznets' reversed U curve
- U型拉槽U cutting
- 库兹涅茨的倒U曲线假说Kuzents'inverse "U" shaped hypothesis
- U型挡板U stop prate
- U型螺钉U type screw
- U型结构U-Structure
- U型弯曲U-bending
