在下列组合机床部件中，( )不属于通用部件。
A．主轴箱
B．卧式组合机床床身
C．动力滑台
D．回转工作台
参考答案：A
Have you seen Li Ming recently? I wonder with his studies.
A．how is he getting along
B．that he gets along well
C．what he is getting along
D．if he is getting along well
信息经济学
