A carbon dioxide fire extinguisher has been partially discharged, and should be immediately ().
A. tagged and restowed properly in its rack
B. weighed and the charge loss recorded
C. given to the chief engineer for recharging
D. tagged "empty" and stowed separately from charged extinguisher
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TYJL—II型计算机联锁系统联锁机备机脱机:控制台显示屏红色显示“备机脱机”,联锁机柜面板上的“联机”和“同步”指示灯()。
TYJL—II型计算机联锁系统联锁机A机机柜最底层使用4个联锁总线通信接头:分别与()A机通信联系,与监控机B机通信联系,与联锁机B机通信联系,与联锁机A机通信联系。