技术“创新”就是建立一种新的( )
A.生产方式
B.生产技术
C.生产规模
D.生产函数
参考答案:D
After the meeting was over, the secretary ________ the new worker to the manager’s office.
A.rejected
B.suspected
C.arranged
D.guided
《煤矿矿井机电设备完好标准》中螺母紧固后,螺栓螺纹应露出螺丝2~4螺距。()