您要查找的是不是：
- 小R弯管small R bend
- 小Rsmall radius
- 管pipe
- 弯管syphon
- “[他]只在几天里就游览了西欧的十五个国家” (小R.W.阿普尔)"[He] did 15 countries of Western Europe in only a few days" (R.W. Apple, Jr.)
- 弯管机tube bender
- 双簧弯管文艺复兴时期的一种带有一个弯曲的吹管和双簧片的管乐器A wind instrument of the Renaissance with a curving tube and a double reed.
- 弯管，接头管管子、杆或其他直而长的东西的一个弯，使得它能避开一障碍物A bend in a pipe, bar, or other straight continuous piece made to allow it to pass around an obstruction.
- 弯管器hicky
- U形河曲内的土地在有这样的弯管的河里的地The land within such a bend of a river.
- 管道的等量长度中的摩擦损失即构成弯管中的压力损失。Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow.
- 标准弯管机standard pipe bender
- 吸入弯管需要修理。The induction elbow needs repairing.
- 大角度弯管加工的一些小窍门Some Techniques for Processing the Big-Angle Bent Pipe
- 无缝弯管seamless steel elbow
- 慢弯管easy bend
- U形弯管U-bend
- 弯管段bend loss
- 弯管芯pipe bending mandrel
- 机械弯管机mechanical pipe bender
