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- percussion rotary boring 冲积钻钻探
- In rotary boring, rock penetration is achieved by the rotation of the hollow cutting tool. 旋转钻探利用中空的切削工具通过旋转钻透岩石。
- Currently,the DTH rigs use generally a percussion rotary penetration sys-tem to generate the rotaing torque that produces a shearing action for breaking rock. 目前，潜孔钻机普遍采用冲击回转凿入系统，用以产生回转力矩，对岩石产生剪切作用而成颗粒分离。
- Rotary Boring Die for High Precision Hole of Butterfly Valve 加工高精度蝶阀孔回转式镗模
- APPLICATION OF ROTARY BORING MACHINE AND BI-POL YMER SLURRY IN THE CONSTRUCTION 旋挖钻机与双聚合泥浆在桩基施工中的应用
- I find the whole thing very boring. 我觉得整个事情让人烦透了。
- It is boring to listen to the same story. 听相同的故事是令人厌烦的。
- A similar board used as a percussion instrument. 敲击板用作打击乐器的一种类似的板
- His long boring story made me yawn. 他的冗长的故事听得我直打呵欠。
- Our torpedo boats bore down on the enemy cruiser. 我方面鱼雷艇向敌巡洋舰冲去。
- An enemy frigate bore down on the sloop. 一艘敌驱逐舰向这只护航舰逼过来。
- This book is really boring stuff. 这本书真是枯燥无味。
- I'm fed up with this boring life. 我受够了这种枯燥的生活。
- It seems so absurd to bear malice after all that. 经过这一切之后还抱有怨恨情绪是很荒谬的。
- The film was boring to a degree. 这部影片非常枯燥。
- He bore down as he approached the finish line. 接近终点线时，他拼尽全力加速。
- The gardener asked me for a rotary lawn mower. 园丁向我要一台旋转式割草机。
- Our soldiers bore away the palm in the battle. 我们的战士赢得了这场战斗。
- It was boring to sit there without anything to do. 无所事事地坐在那里太无聊了。
- His wife later bore a son and a daughter. 他的妻子后来生了一男一女。
