What is the result？（） ["Canada","null Canada","Canada null","Canada Canada","Compilation fails due to an error on line 26.","Compilation fails due to an error on line 29."]
下列不属于因为太阳活动所产生的地球自然现象是（）。 ["极光","磁暴现象","无线电波受扰","雾凇"]
阿托品与解磷定合用可用于哪类药物的中毒治疗（） ["有机磷酸酯类","箭毒类","强心甙","巴比妥类","吗啡"]
车辆发生故障，距离接触网带电部分不足（）时，必须待接触网停电并接地后，方可进行处理。 ["1m","1.5m","2m","2.5mm"]
Where do you enable the CRS engine?（） ["Publisher Activation page ","Component Activation page ","Cluster Setup page ","Server Setup page&e"]
请简述在《特种设备安全监察条例》中压力管道的含义？
