问题
名词解释
卡钻事故
答案
参考答案：
是指由于各种原因造成钻具在井内不能自由旋转或不能上提下放的事故。
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卡钻事故
参考答案：
是指由于各种原因造成钻具在井内不能自由旋转或不能上提下放的事故。
Alfred Nobel became a millionaire and changed the ways of mining，construction，and warfare as the inventor of dynamite（炸药）. On April 12，1888，Alfred's brother Ludwig died of heart attack. A major French newspaper _21_ his brother for him and carried an article _22_ the death of Alfred Nobel. “The merchant of death is dead.”The article read. “Dr. Alfred Nobel，who became _23_ by finding ways to kill more people faster than ever before，died yesterday. ”Nobel was _24_ to find out not that he had died，but that，when his time was up， he would be thought of only as one who profited from _25_ and destruction. To make sure that he was _26_ with love and respect. Nobel arranged in his _27_ to give the largest part of his money to _28_ the Nobel prizes，which would be awarded to people who made great _29_ to the causes of peace，literature，and the sciences. So _30_ ，Nobel had to die before he realized what his life was really about.
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