三角胶带传递功率应小于（），其型号“O”型的截面积最小，“F”型的截面积最大。
参考答案：40KW
You can't go to anyone's home in some countries unless you _________ [ ]
A. invite
B. were invited
C. are invited
路线价法中的单独深度价格修正率随着临街深度的递进而增大。( )
