多芯铠装、铜屏蔽性控制电缆最小弯曲半径为() ["6D","10D","12D","15D"]
110kV及以上电缆敷设时,转弯处的侧压力应符合制造厂的规定;无规定时,不应大于() ["5kN/m","6kN/m","3kN/m","10kN/m"]
橡皮缘聚氯乙烯护套控制电缆敷设现场允许敷设最低温度() ["-15°","-20°","-10°","-5°"]
聚氯乙烯绝缘聚氯乙烯护套控制电缆敷设现场允许敷设最低温度() ["-15°","-20°","-10°","-5°"]
抢救青霉素过敏性休克的首选药物是什么?使用方法及其药理作用是什么?
试述决定的概念与适用范围。