试验表明，增加了抽吸孔后的取样钻头适合在极其破碎的地层中钻进。
Through this experimentation, it indicates that the sampling bit added pumping hole ADAPTS to drilling in most fragmentized strata.
由于受海塘土层结构的影响，药物灌浆孔附近土壤中氰戊菊酯的含量随取样部位不同而有差异。
The content of fenvalerate in soil near to the grout hole varied with the difference of sampling location affected by seawall soil structure.
本钻机吸取了国内外轻便钻机的结构型式特点，结合作业环境和取样要求，设计出一种振动冲击式、轻型的、易拆装、方便搬迁的新型轻便浅孔钻机。
The current shallow hole drill rigs can't meet the desire of shallow hole drilling and sampling in difficultily entered area and dry area.
针对干旱、半干旱地区缺水的特点，结合化探取样的要求，采用全液压车载钻机空气潜孔锤钻进工艺。
This paper discusses the application of full-hydraulic track driller with automobile chassis in the arid and semiarid areas.
针对干旱、半干旱地区缺水的特点，结合化探取样的要求，采用全液压车载钻机空气潜孔锤钻进工艺。
This paper discusses the application of full-hydraulic track driller with automobile chassis in the arid and semiarid areas.
应用推荐