物业管理服务要求小区主出入口值勤方式是()。
A.每1小时巡查1次
B.每1小时至少巡查1次
C.24h站岗值勤
D.每日2次,配有安全监控设施,24h监控
参考答案:C
________ at the golden belt of Yangtze River Delta, Ma'anshan is the National Garden city _______ wonderful landscape appeals to many visitors every year.
A.Located; which
B.Locating; which
C.Located; whose
D.Locating; whose
承重模板跨度大于8m时,支撑时要求底模中间的起拱度达到跨度的()。
A.1—2%
B.2-4%
C.4-5%
D.5-6%