设备的有形磨损产生的原因有摩擦磨损和
A.机械磨损
B.社会经济环境
C.热损伤
D.自然环境
E.技术进步
正确答案是ACD
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/451423.html
上一篇:______、______和______是世界寓言文学的三大发祥地。
下一篇:Private Car in AmericaThe private automobile(私家车)has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1986, sixty-nine percent of American families owned at