drill

例句与用法

If it is necessary to drill helper holes, never drill in the neighbourhood of the cartridge .
必须打辅助眼时不可过于靠近炸药。
The plastic hose should have the correct external diameter in relation to the drill hole .
塑料软管的外径应该与炮眼直径相适应。
It was excellent drill for their memories a harmless amusement .
这对她们的记忆力来说是一种绝妙的训练，又是一种有利无弊的娱乐。
The relatively new close-spaced drill is an ideal machine for drilling grass seeds .
比较新型的小间距直播机是直播草种的理想机器。
The fact that the drill hole openings are located under water complicates charging work .
炮眼口位于水下，无疑会使装药工作复杂化。
All existing web cracks were arrested by drilling 19 mm holes at the ends of the cracks .
所有已存在的腹板裂纹都在裂纹端部钻19mm的孔止裂。