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- The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil. 潜孔锤冲击挤密钻进技术集冲击钻进、振动钻进及空气钻进的优点于一体,钻进效率高,成孔质量好,在土质地层钻进工程中有着广阔的应用前景。
- Repair on flange of air hammer piston guide bushing 空气锤锤杆导程法兰的修复
- The loading characteristics and destruction pattern of DTH hammer pistons are examined.On the basis of this,Some measures are put forward to prolong the Service life of the piston. 本文从分析潜孔冲击器活塞的载荷及破坏情况入手，介绍了一些提高活塞寿命的措施。
- All the apprentices rushed to help fit the piston. 徒工们都跑过来帮助装活塞。
- 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。
- Get lathe No.9 set to turn the new piston. 把九号车床调好来车这个新活塞。
- 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。
- 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。
- Mechanical Model and Stress Analysis of Hydraulic Hammer Piston under Work Condition 液压锤工作状态下活塞的力学模型与应力分析
- The piston seems ok. Maybe something else is wrong. 活塞似乎没问题。可能别的什么东西坏了。
- 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 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。
- He scarred the door with a hammer. 他用锤子将门敲得疤痕累累。
- He hit the nail into the wall with a hammer. 他用一把锤子把钉子打进墙里去。
- I want to hammer in a few facts if I can. 要是能够的话，我要反复强调几个事实。
- He was chipping away at the rock with a hammer. 他用锤子一点一点地击碎那块石头。
- The hammer is missing from my tool-box. 我的工具箱里少了一把锤子。
