jar tester是什么意思

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Analysis of Severe Vibration of Draught Fan and Solution Method;

引风机剧烈震动分析及解决方法

Blast shock and vibration of underground structures with conventional weapon;

常规爆炸下地下结构的冲击震动环境

The profile cutter is replaced by the cutter with three equi-spaced inserts to avoid the vibration in the valve seat machining.

介绍了用国产硬质合金枪铰刀替代MAPAL枪镗刀解决导管孔的断刀和质量问题,以及用三个刀片均布的刀具替代成形刀具解决阀座加工中的震动问题。

The results of shot-delay blasting application in aspects of decreasingblasting-shake and ensuring safety of tunnel &drop shaft are discussed.

介绍了孔间、孔内和孔间微差爆破的原理、参数、设计施工要点及在降低爆破震动、保护平硐溜井使用安全方面的应用结果。

This article analyses that the control system of self propelled monitor sample is influenced by the vertical shock caused bu complex ground conditions during moving,and presents the application of shock absorbing technology and steel wire shock absorbing.

从自行式消防炮整体结构和应用出发 ,论述了自行式消防炮试验样机在行驶过程中由于复杂的地面所引起的垂直方向的震动 ,而影响控制系统的可靠性 ,提出了自行式消防炮减震技术和钢丝减震器的应用。