1.
pressure balanced drilling bumpersub
压力平衡式钻井震击器
2.
oil-sealed jar safety joint
油封式震击器安全接头
3.
fishingcoring jar
打捞和取心用震击器
4.
An analysis of the failure of the while-drilling bumper sub and damper and its solution
随钻震击器及减震器失效分析与解决方案
5.
By using this jar together with Model YJQ jar accelerator, more remarkable effect can be obtained.
这种震击器与YJQ型震击加速器一同使用，可获得更显著的效果。
6.
Improvement and Application of Hydraulic Jar for High Pressure and Super Deep Wells
高压、超深井液压震击器的改进及应用
7.
Analysis on the Fracture of Two Drilling Jar's Splined Mandrel and Improvement Measures
2起震击器花键心轴断裂原因分析及改进措施
8.
Something that lessens or absorbs the shock of an impact.
缓冲器可以减轻或吸收冲击的震动的东西
9.
It is used in measurement of pressure tronsients, such as in shock tubes, wind tunnels, and seismograph equipment.
它广泛用于瞬态压力测量，如冲击管、风洞以及地震仪器设备中。
10.
Dynamic loading is produced by seismic forces, non-steady wind, blast, reciprocating machinery.
动荷载是由于地震力、不稳定的风、冲击波，往复式机器所产生。
11.
In this paper, the nonlinear models of the leaf-spring shock absorber, elastic stop shocking and wheel hop are established.
本文建立了板簧、减震器和撞击限位块、车轮跳离现象的非线性模型;
12.
Numerical Simulation of Double Layer Vibration Isolation Systems with MRD Subjected to Ground Shock
地冲击荷载作用下双层结构磁流变阻尼器隔震效果的数值模拟
13.
An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.
脑震荡脑震荡，对器官特别是大脑因受猛烈撞击而造成暂时或长期的功能丧失伤害
14.
A blow with a blunt object.
重击，捶击用钝器的一击
15.
diamod-enhanced hammer bit
金刚石镶齿震击钻头
16.
pneumatic shockless jolt-squeeze moulding machine
气动无冲击震实造型机
17.
telescopic shock absorber
伸缩筒式减震器;可伸缩减震器;筒式减震器
18.
Inspect/replace the vibration damper.
检视/更换减震器。