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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。
- The function curve diagram among the scroll compressor, the serew type and the piston type. 涡旋式、螺杆式、活塞式压缩机性能对比曲线图
- These diaphragm or piston type pressure switches in brass housings are available off-the-shelf as break contacts ormake contacts. 这些现货供应的膜片或活塞型的压力开关采用黄铜外壳,开路接点或闭合接点。
- The piston may be connected to the upper end of the connecting rod either directly (trunk piston type), or indirectly (crosshead type). 活塞与连杆上端的连接，既可以是直接连接（筒状活塞式），也可以是间接连接（十字头式）。
- JHYG piston Type liquid prover is a newly developed standard tool for measurement of liquid flow andquantity-value transmission. JHYG型活塞式液体标准体积管是新近研制成功的液体流量计量量值传递的标准器具。
- The piston type pump is used to solve the cohering problem of bitumen particles,and bitumen particles have been continuously injected in well La8-P2555. 通过采用活塞式沥青泵,较好地解决了沥青颗粒的黏结现象,在喇8-P2555井实现了连续注入。
- The piston type pump is used to solve the cohering problem of bitumen particles, and bitumen particles have been continuously injected in well La8-P2555. 通过采用活塞式沥青泵，较好地解决了沥青颗粒的黏结现象，在喇8P2555井实现了连续注入。
- 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。
- ON VIBRATION DAMPING OF PISTON TYPE AIR COMPRESSOR 活塞式空压机减振拾零
- Ways for Safely Running a Piston Type Compressor 活塞式压缩机安全运行方法探析
- 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。
- Double piston type vauum servo brake 对置活塞式发动机
- Marine emergency piston type air compressor 船用应急活塞式空气压缩机
- 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。
- piston type variable area flowmeter 活塞式可变截面流量计
- 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。
- power sprayer with piston type pump 附活塞式水泵的动力喷射器
- All the apprentices rushed to help fit the piston. 徒工们都跑过来帮助装活塞。
- Get lathe No.9 set to turn the new piston. 把九号车床调好来车这个新活塞。
