在公共建筑内的疏散走道和居住建筑内走道长度超过()m的内走道,般应该设置疏散指示标志。
A、5
B、10
C、75
D、40
参考答案:C
F11125型分度头定数是40,表示()
A.传动蜗杆的直径
B.主轴上蜗轮的模数
C.主轴上蜗轮的齿数
Questions 11 to 15 are based on the following interview.
A. Men in the countryside used to wear a sarong. B. Men in the city wear sarongs to relax at home. C. Men wear pants and shirts now, never sarongs. D. Men wear sarongs only on formal occasions.