垂直敷设控制电缆各支持点的距离() ["400mm","800mm","1500mm","1000mm"]
水平敷设控制电缆各支持点的距离() ["400mm","800mm","1500mm","1000mm"]
柜台受理金额超过()万元的支票不能通过支票影像系统进行托收,必须通过同城交换。 ["A、10","B、20","C、50","D、100"]
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°"]
试述胸部外伤后纵隔及皮下气肿的处理原则?