数控车床除可用G54~G59指令来设置工件坐标系外,还可用()来确定工件坐标系原点位置。
A.G50
B.G92
C.G49
参考答案:A
--- I think you should say sorry to me. You broke my cup.
--- ____. You shouldn’t have put your cup in my way.
A.No problem
B.No way
C.No wonder
D.No hurry
单位工程流水施工又称为( )。
A.细部流水施工
B.专业流水施工
C.综合流水施工
D.大流水施工