drill ground的意思|示意
操场
练兵场
drill ground相关短语
1、 military drill ground 校场,较场
2、 Had the big drill ground 有了大操场
3、 ground drill 钻土机,地钻,地面演练
4、 HSS ground groove drill 高速钢槽钻
5、 H ground groove drill 高速钢槽钻
6、 one ground stroke approach drill 三打一练习
7、 drill well from ground 地面钻井