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- folding percussion hammer 折式打诊锤
- This paper introduces research and development of DH pneumatic perforating machine, hydraulic percussion hammer and trajectory -controlled pneumatic perforating machine and their application. 非开挖技术在国际发展迅速,在我国尚有差距,本文介绍我国DH气动穿孔机、液压冲击锤、轨迹可控气动穿孔机的研制及工程应用情况。
- percussion hammer firing mechanism 击针锤击发装置
- A very nice set of glasses came under the hammer yesterday. 昨天拍卖了一套很精致的玻璃杯。
- The teacher has been trying to hammer in the facts. 教师一直设法把这些事实灌输给学生。
- A similar board used as a percussion instrument. 敲击板用作打击乐器的一种类似的板
- The new restaurant fold up in less than a year. 这家餐厅不到一年就歇业了。
- Score the paper to make it easy to fold. 在纸上先划好印子,以便折叠。
- The mason was chipping away at the rock with a hammer. 石匠用锤子一点一点地把那块石头击碎。
- The comedian had the audience folding up. 那个喜剧演员逗得观众笑得前仰後合。
- We find our folding table a great convenience. 我们发现可折叠的桌子使用非常方便。
- The show will fold after Friday's performance. 星期五演出后就要停演了。
- The hammer is missing from my toolbox. 我的工具箱里少了一把锤子。
- A hammer is used for driving in nails. 子是用来钉钉子的。
- Why do you hammer at the subject day after day? 你为何日复一日地钻研那个科目?
- The fastening or opening covered by such a fold. 被纽扣盖盖住的开口覆有此种折叠的拴紧物或钉扣处
- The handle of the hammer came away easily. 这锤柄很容易脱落。
- Sarcasm became a sledge hammer in their debate. 在他们的辩论中,讽刺成为强有力的武器。
- A line made by pressing, folding, or wrinkling. 皱折一条通过压紧、折叠或起皱纹而形成的线痕
- He scarred the door with a hammer. 他用锤子将门敲得疤痕累累。