问题
填空题
裂纹的发展过程为()、()和()三个阶段,()属于可挽救故障,()属于无可挽救故障。
答案
参考答案:裂纹产生;裂纹扩展;最终断裂;裂纹;断裂
裂纹的发展过程为()、()和()三个阶段,()属于可挽救故障,()属于无可挽救故障。
参考答案:裂纹产生;裂纹扩展;最终断裂;裂纹;断裂
King’s College Summer School King’s College Summer School is an annual(每年的)training program for high school students at all levels who want to improve their English.Courses are given by the teachers of King’s College and other colleges in New York.Trips to museums and culture centers are also organized.This year’s summer school will be from July 25 to August 15.More information is as follows:
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