开发钻井方案
developmental drilling program
深孔钻组合机床
deep drill combined machine tool
deep hole drilling combined machine tool
双面钻孔组合机床
two-sided drill hole modular machine tool
长短桩组合桩基础
long-short pile foundation
大管桩组合桩
combination pile of big pipe pile
多方案组合
many projects association
方案组合法
analysis method of c ombined project
工装组合方案
tool set-up assembled project
锚杆与砖墙组合方案
anchor and brick wall composite structure
组合方案分析
Integrated scheme analysis