问mechanical block是什么意思

mechanical block机械挡块如有疑问，请追问~如果有帮助，请采纳，O(∩_∩)O谢谢~记得给问豆啊！

mechanical block机械挡块例句Automobile brake block, engineering mechanical brake piece, fork truckshod piece, fork truck brake assembly. 汽车刹车片、工程机械刹车片、叉车制动蹄片、叉车制动器总成。