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【简答题】
电源是提供能量的装置,它的功能是____。
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皮皮学刷刷变学霸
举一反三
【单选题】根据无损检测方法的原理、特点和适用范围判断，如果对一台材料为奥氏体不锈钢的压力容器筒体纵焊缝进行表面缺陷的检测，宜采用（ ）检测方法。
A.
涡流
B.
声发射探伤
C.
磁粉
D.
渗透
【简答题】简述磁力探伤的原理。
【简答题】I found out one time that doing a favor for someone could get you into a lot of trouble. I was in the eighth grade at the time, and we were having a final test. During the test, the girl sitting next ...
【简答题】But having found an oasis of land in a watery wilderness, crossed its reef, and landed, on its shores, the survivors then faced a series of pressing problems for which solutions had to be found quickl...
【单选题】根据无损检测方法的原理、特点和适用范围判断，如果对一台材料为奥氏体不锈钢的压力容器简体纵焊缝进行表面缺陷的检测，宜采用（ ）检测方法。
A.
涡流
B.
声发射探伤
C.
磁粉
D.
渗透
【简答题】“An abode without _____ is like a meat without _______.” Such was not my abode, for I found myself suddenly _______ to the birds; not by having ________ one, but by having caged _______ near them.
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