采煤工作面上、下机头处坚持正确使用好()长钢梁或()调角定位顶梁支护。
一定的社会资源构成了行政权力的具体来源,这些具体来源有() ["强制力","诱导力","组织制度","信息","个人因素"]
continuous culture
全车盗抢险设有以下免赔率,供被保险人选择:() ["A、15%","B、20%","C、30%","D、50%","E、40%"]
玻璃单独破碎险的赔偿范围有:() ["A、前后风挡玻璃","B、车窗玻璃","C、车顶玻璃","D、车镜玻璃","E、灯具玻璃"]
disinfection