“弯管”的拼音为：wān guǎn...

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.对小半径弯管国产化的可行性,作了技术论证.The feasibilities of small - radius pipe - bender made in china are demonstrated ...

“弯管”的英语可以翻译为：siphonium，bend，elbow，angle branch，syphon ...