按照江苏省电力公司设备缺陷管理规定，电缆线路的缺陷分为三类（）。
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（EMB145）EICAS上的发动机指示区显示琥珀色的“REV”表示反推在什么状态？（）
A. 全放出
B. 正在放出或收回
C. 已收回且油门杆在慢车位
Excel中单元格引用中，单元格地址会随位移的方向与大小而改变的称为绝对引用。
A. 正确
B. 错误
How is UPSR and BLSR traffic rerouted during a protection switch when a complete fiber cable cut occurs?（）
A. Traffic is switched from the first node receiving the AIS indication.
B. Traffic is switched from the far side of the failure, allowing handshaking to occur.
C. UPSR traffic is switched from the terminating node, BLSR traffic is rerouted from the originating node in the ring.
D. UPSR traffic is switched from the terminating node, circuit by circuit. BLSR traffic is rerouted from the last reachable node in the ring.
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