辐射监测
参考答案:
为了评估和控制辐射和放射性物质的照射,对剂量或污染所完成的测量及对测量结果所作的分析和解释。
Though he started late, Mr Guo played the piano as well as, if , Miss Liu. [ ]
A. not better than
B. not better
C. no better than
D. no better
针对点检和定期检查发现的问题,拆卸有关的零部件,清洗设备,检查、调整、更换或修复失效的零件,以恢复机床的正常性能,满足生产工艺要求的设备修理方式属于()
A.大修
B.中修
C.小修