【简答题】投影法一般可分为__________和__________两大类。
【单选题】投影法一般分为两大类,分别是 ( ) 和 ( )。
【单选题】走合中期维护,此时汽车行驶的里程应为( )
【简答题】--- Good mornign, Mr. White. Glad to meet you again, ______?--- Quite well, thank you.A. It's rainy today B. How are things going C. Where are you going D. Have you had your lunch