2) earth boring auger
土钻;地钻
4) hydraulic drill for underground anchorage
土锚钻机
1.
The trait of driving head of hydraulic drill for underground anchorage has been analyzed, and optimal design for it has been made, the result is satisfactory: it s volume has been reduced 25% than normal design.
本文剖析了液压土锚钻机动力头特性 ,并对其进行优化设计 。
5) drilling soil samples
钻孔土样
6) earth drill
钻土器
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条