题目内容

【B12】

A. financially
B. physically
C. mentally
D. psychologically

查看答案
更多问题

【B11】

A. develops
B. selects
C. finds
D. reaches

【B10】

A. before
B. during
C. as
D. after

【B9】

A. For example
B. To some extent
C. As follows
D. In a sense

为避免对被检工件的腐蚀,对用于奥氏体不锈钢和钛合金材料的渗透探伤剂要求()

A. 蒸发后残渣中含氯量不超过0.1%
B. 蒸发后残渣中含氯量不超过1%
C. 蒸发后残渣中含硫量不超过0.1%
D. 蒸发后残渣中含硫量不超过1%

答案查题题库