您要查找的是不是：
- 单U型管 single U tube
- 单U、双U型埋管 single U shaped and double U shaped vertical borehole
- 单级U型管 single-stage U-tube
- 管 pipe
- 单U形坡口 single-U groove
- U型管换热器 U-tube heat exchanger
- U型管埋地换热器 U-pipe heat exchanger
- U型 U shape
- U型壳 U - shell
- 单端型管 [电] single-ended tube
- U型槽 U -Shape Groove
- U型箍 U-ferrule
- U型拉槽 U cutting
- U型挡板 U stop prate
- U型管传热量影响因素的数值模拟研究 NUMERICAL STUDY ON THE INFLUENCING FACTORS ON THE HEAT TRANSFER OF THE U-TUBE
- U型螺钉 U type screw
- U型结构 U-Structure
- U型管地下换热系统非稳态传热数值模拟 NUMERICAL SIMULATION OF HEAT TRANSFER OF A U-TUBE GROUND HEAT EXCHANGER
- U型弯曲 U-bending
- U型手柄 U-handle
