下悬式的有弹簧从下面连接到轴上的。
Having springs attached to the axles from below. Used of a vehicle or of its frame.
有黑色短鬃毛，喉部有下悬的肉垂，长角盘扭成螺旋。
They have a short, dark mane, a dewlap hanging from the throat, and long horns twisted in a tight spiral.
解决了普通上悬或下悬开启角度小的困苦，充分满足建筑的通风要求。
Solved the difficulty in switching small Angle with common top hung and bottom hung, completely to satisfy our need of ventilation in a building.
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