喷头响应时间指数是指闭式洒水喷头的热敏性能指标。标准响应喷头的响应时间系数 町1是（ ）（m.s)05o

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='23368' and id < 2038591 and id<>'2038591' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23368' and id > 2038591 and id<>'2038591' order by id asc limit 5