一台半断路器接线当任意一组母线发生短路故障时,均不影响各回路供电。
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流压和泵效从各自的角度反映了抽油机井生产动态。当流压过高时,说明油层的供液能力()抽油泵排出能力。
A. 大于
B. 小于
C. 等于
D. 小于,等于
An administrator trying to restore a backup from tape encounters read errors. The administrator suspects that it could be an issue with the block device. What is the appropriate method to resolve this issue?()
A. Set the block size to 0.
B. Read the tape using the tctl command.
C. Use the 'cpio' command to override tape device settings.
D. Run the 'dd' command to identify the block size from the tape.
进行曝光补偿的依据或条件()。
A. 主体颜色深浅
B. 背景颜色深淡
C. 影调的正确再现
D. 色彩的准确还原
E. 层次、质感的体现
F. 画面影调、色块的分布