1、训练掌握
... drill-in motor assemblies 钻进电动机组合 drill in 训练掌握 Drill in my heart 往我心里钻 ...
2、深造所
... Games Center - 游戏院 Drill in - 深造所 Miscellaneous - 杂项 ...
3、在…方面操练
...drill for oil钻探石油drill in在…方面操练drill sb in spelling对某人进行拼写训练 ...
Drill Piles In Construction打夯
drill holes in themselves在他们自己身上挖洞
drill-in打开生产层
drill-in fluid钻井液
casing drill-in[矿业] 套管送下程序
impact drill-in冲击钻进
drill string in slimhole小井眼钻具
drill sb in spelling对某人进行拼写训练