1) regional geological reconnaissance with drilling

带钻区调
1.
Based on the results of transient electromagnetic(TEM) sounding survey during recent years regional geological reconnaissance with drilling(1∶250000),the application effect of TEM sounding survey during regional reconnaissance is summarized in this paper.
本文以近几年来配合1∶25万带钻区调工作开展的瞬变电磁测深工作为基础,总结了该方法在铀矿区调阶段的应用效果。
2) rigger
[英]['rigə] [美]['rɪgɚ]

索具装配工人;钻机安装工人;旋转钻司钻;调带轮
3) common bit

带尖钻
4) toothed bit

带齿钻头
5) fluted drill collar

带槽钻铤
6) crown set with stone

带钻柄头
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