K型分开式扣件在跨度小于40m的简支板梁采用全部扣紧轨底的方式，螺栓扭矩为 ( ) 。
D
暂无解析
前囟门隆起最常见于（）
Fishis________andexpensiveatthistimeoftheyearinthisarea.
Thosepeople_____ageneralunderstandingofthepresentsituation.
Itisvitalthatthework_______intime.
Wepromisethatwe’llmeetagainafterwe_______ourcollegeeducationinthreeyears’time.