本文阐述了CTJY10 - 2型全液压掘进钻车液压控制系统的设计特点，并详细介绍了防卡钎机构及其它基本回路的控制原理与工作特征。
This paper describes some design features of the hydraulic control system for CTJY10-2 jumbo, the anti-jamming system, control principles and operations of some other basic circuits in some detail.
摩托车手是“疏忽性失明”（inattention blindness）最好解释，他们整日在那些只看“车”的司机中钻来钻去。
Motorcycle riders best understand "inattention blindness," as they are nearly drilled daily by drivers who only "see" cars.
这时，车的后座门开了，一位顾客钻了进来。
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