CCB-Ⅱ型制动机自阀手柄运转位时，响应列车管压力变化，将作用管压力排放
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CCB-Ⅱ型制动机ERCP故障时，会自动由模块来代替其功能
CCBⅡ克诺尔制动机与DK—1型制动机相比设有制动区，具有特点
TheITCZis（）
A. the boundary between polar air and equatorial air
B. the boundary region between the two monsoons
C. the region between the two trade wind systems centred on the heat equator
D. a region of calm winds and layer type clouds with much haze
Icingis__byiceinclouds（）
A. caused
B. not caused
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