Judging from the fact that the other scouts haven't arrived, Judging from the fact that the other scouts haven't arrived, they__________the b 分类:中医助理医师 题型:单选题 查看答案
已知一蜗杆传动,蜗杆头数k=2,转速n1=1450r/min,蜗轮齿数z=62,求蜗轮转速。 已知一蜗杆传动,蜗杆头数k=2,转速n1=1450r/min,蜗轮齿数z=62,求蜗轮转速。 分类:中医助理医师 题型:单选题 查看答案
图中为一齿轮传动,图中数字为各齿轮数,如果轴I的转速n1=730r/min,轴Ⅳ的转速应是多少?其转向与轴I相同吗? 图中为一齿轮传动,图中数字为各齿轮数,如果轴I的转速n1=730r/min,轴Ⅳ的转速应是多少?其转向与轴I相同吗? 分类:中医助理医师 题型:单选题 查看答案
I want to__________my friendship with her even though I was I want to__________my friendship with her even though I was hurt by her words.A. 分类:中医助理医师 题型:单选题 查看答案