室内分布系统馈线进出口的墙孔应用()进行封堵。
A.防水,阻燃材料
B.胶泥
C.普通材料
参考答案:A
John planned _____around Europe on horseback, but his ambition has not been achieved till today.
A.to have traveled
B.to travel
C.traveling
D.his traveling
对个体工商户逾期不办理验照手续且无正当理由的,工商行政管理机关应当收缴其营业执照及其副本。