bench blasting造句

• Bench blasting is the most usual type of blasting work .
  梯段爆破是最常用的爆破工程之一。
• The basic charge calculations have been concentrated round bench blasting .
  装药计算的重点主要放在梯段爆破上。
• Stopping can very well be compared with bench blasting but requires considerably larger charges .
  崩落则十分相似于梯段爆破，只不过所需的装药量比较大一些。
• Discussion on decreasing twice blasting for bench blasting
  关于减少梯段爆破二次爆破量的探讨
• Structure of an intelligence expert system for bench blasting design
  台阶爆破设计智能专家系统的结构
• Application of springing - bench blasting
  台阶控制爆破实践
• Comprehensive application of springing - bench blasting and short - hole blasting
  浅孔爆破与药壶爆破综合应用实践
• Application of fuzzy programming to optimization of bench blasting parameters of surface mines
  模糊规划原理与露天矿台阶爆破参数优化
• Some measures for reducing the rate of large boulder in bench blasting of open - pit are introduced in combination with bench blasting operation , dealing with blasting parameter , blasting materials etc . in yunfu pyrite mine
  摘要结合云浮硫铁矿台阶爆破生产实践，从影响爆破作用的爆破参数和爆破材料等因素出发，介绍了降低台阶爆破大块率的几种途径。
• Then the article analyses the effecting elements about the economic result of blasting and puts forward some improving measures , and summarizes optimizing model on economic result of blasting both internal and overseas bearing upon . the theory is based on the blasting cost model , which proposed by dr . zhong hanrong . combining with the specialties of water and electricity engineering , starting off through blasting result , it emphasizing considers drilling cost , deep hole bench blasting cost , reblasting cost , and the cost of bottom fleet hole blasting that in mixed loading emulsion explosive blasting
  本文在加拿大钟汉荣博士提出的爆破成本模型基础上，结合水电工程的特点，从爆破效果出发，着重考虑了应用混装乳化炸药爆破的钻孔成本、深孔梯段爆破成本、二次爆破成本和爆破后根底浅孔爆破成本，以块度、振动、安全为约束条件，以这四项成本最小为目标函数，广泛收集各种爆破经济技术条件，建立了爆破优化经济数学模型。