练习是很沈闷的。
The engineering practice and the numerical simulation have been conducted on the millisecond blasting for ditching deep bore hole.
以工程实践和动力有限元程序分析沟槽深孔微差爆破问题。
Based on the engineering practice, this paper introduced constructional technique and quality assurance measures of big bore hole digging and pouring with expansion pile head.
通过工程实例，介绍大孔径扩大桩头人工挖孔灌注桩的施工方法及质量保证措施。
应用推荐