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51问答网 > 发动机制动和行车制动有什么区别？

发动机制动和行车制动有什么区别？

2025-03-14 21:59:16

推荐回答（2个）

回答1：

发动机制动是行车制动的一种辅助装置，在下长坡的时候结合使用发动机制动能有效的提高行车制动的效率，减少行车制动的部件发热，确保行车安全。因为行车制动部件发热之后会形成热衰减，严重的会没有刹车，在大货车上一般需要安装刹车喷淋装置就是这个原理。

回答2：

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