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【单选题】
(77325) 我国货车除特种车辆外,一般均采用()闸瓦基础制动装置。其优点结构形式构造简单,节约材料,便于检查和修理。 (1.0 分 )A.
、单式
B.
、复式
C.
、
D.
、空气弹簧
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