为了求得梁的真正挠度,试验者必须注意支座沉陷的影响,所以最少要布置()测点 ["1","2","3","5"]
下列物资不属于剧毒品的是() ["氰化钠","液氨","氯磺酸","液氯"]
Cisco路由应禁止BOOTP服务,命令行是()。 ["ip bootp server","no ip bootp","no ip bootp server","ip boot"]
DetailsView控件有什么功能?在使用时有何局限性?
12v135型柴油机,润滑油压力为()kpa。 ["125~150","157~294","195~352","305~335"]
学佛旨在离苦乐,而苦乐皆为烦恼障,则何舍此障而求彼障?