能够进行磁粉探伤的材料是:()
A.碳钢
B.奥氏体不锈钢
C.黄铜
D.铝
参考答案:A
Those successful deaf dancers think that dancing is an activity sight matters more than hearing. [ ]
A.when
B. whose
C.which
D.where
女,42岁,反复低热、腰酸3年,夜尿增多6个月,曾多次尿培养有大肠杆菌,尿常规:蛋白1.1g/L,红细胞4~5/HP,哪项检查是确诊慢性肾盂肾炎较可靠的方法()。
A.磁共振成像
B.中段尿培养
C.静脉肾盂造影
D.尿素氮、肌酐检测
E.肾CT扫描