镗瓦机必须对两镗架支承孔轴线的()进行检验。
A、同轴度
B、平行度
C、一致性
D、偏差
参考答案:A
—Any information about your son?
—No. If only I ________ those tough words to him.[ ]
A. didn't say
B. hadn't said
C. shouldn't have said
D. couldn't have said
医疗事故技术鉴定的启动是()
A.由卫生行政部门启动
B.由医患双方共同启动
C.由卫生行政部门启动或由医患双方共同启动
D.由受理诉讼的法院启动
E.由受理诉讼的法院或是卫生行政部门启动