A quite simple method of improving a berth’s capacity is().
A. to increase the arrival/start of operations interval
B. to increase the finishing of operations/leaving berth interval
C. to decrease both the arrival/start of operations interval and the finishing of operations/leaving berth interval
D. to decrease working shift
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持失效车票乘车应按规定补票,并核收手续费。(部竞赛题)
A. 正确
B. 错误
并联电容器单台保护熔断器“群爆”现象的原因是什么,怎样防止?