T68型卧式镗床的主运动是镗床主轴和平旋盘的平行移动运动。( )
参考答案:错
有限责任公司和股份有限公司有何区别?
若有以下程序: #include <iostream> using namespace std; class Base private:int x; protected:int y; public:int z;void setx(int i) x=i;int getx () return x; ; class Inherit : private Base private:int m; public:int p;void setvalue(int a, int b, intc, int d) setx (
A.; y=b; z=c; m=d;void display() cout<<getx () <<","<<y<<","<<z<<","<<m<<end1; ; int main ( ) Inherit A;A.setvalue(1,2,3,4);A.display ();return 0; A) 1,2,3,4
B.产生语法错误
C.4,3,2,1
D.2,3,4,5