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预备──起爆──记北京建总特种工程爆破公司经理马学伦克坚与马经理还是通过电话认识的。一声“色兰”，这一穆斯林特有的问候，立刻把我们的距离拉近了。北京建总特种爆破公司系中国建筑材料工业建设总公司直属企业。经理马学伦以其近年来突出的工作成绩和团结奋进的精...
Preparation ─ ─ detonation ─ ─ remember Beijing Jianzheng special engineering blasting company manager Ma Xuelun Kennedy and Mr. Ma met by telephone. A “Saran,” a greeting unique to Muslims, immediately brought us closer. Beijing Jianzheng special blasting company is China Building Materials Industry Corporation directly under the enterprise. Manager Ma Xuelun with its outstanding achievements in recent years and the spirit of unity and forge ahead