04(正确+15财富)[已结束]? constant-support spring hangers provide a (substantially uniform supporting force) throughout the range of travel. 恒力弹簧支架在弹簧行程范围内支承力恒定不变。 能够提供“supporting force”支承力的“spring hanger”是弹簧支架,不是“弹簧挂钩”,否则提供的是“towing force”或者“spring tension”!查看更多