jar stem是什么意思

网络释义

用法例句

Improvement and application of hydraulic jar for high-pressure ultra-deep well;

高压超深井液压震击器的改进及应用

By example of 95 mm TR jar and calcu lation of it, it is thought that by selecting type and number of washer accordi ng to number of its slot, the scope of packaged angle of the jar can be reached.

在保养TR调时震击器时,常遇到如何将组装角调整到45°~60°之间的问题,通过以95mmTR调时震击器为例,经计算可知根据垫圈槽数,选择垫圈的类型和数量,可将震击器组装角调整到合适的范围。

Jarring tool may use to unfreeze effectively, So how to calculate the dynamic Ioading accurately in jarring is an important work in jarring.

关于震击动载荷的计算说法不一,本文根据震击器上击器的工作原理,应用动力学分析方法,建立了向上震击作用中钻柱的动力学方程,分析了震击作用时弹性波在钻柱中的传播情况。

This paper introduces the principle of unlocking drill by shock and the design of shock tool.

本文介绍了震击解卡的原理和震击工具的设计计算 ,并通过试验证明震击是一种有效的解卡方

diamod-enhanced hammer bit

金刚石镶齿震击钻头

pressure balanced drilling bumpersub

压力平衡式钻井震击器

oil-sealed jar safety joint

油封式震击器安全接头

fishingcoring jar

打捞和取心用震击器

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

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。

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

pneumatic shockless jolt-squeeze moulding machine

气动无冲击震实造型机

The sound, vibration, or shock caused by the striking together of two bodies.

震动由于两物体的撞击造成的声音、颤动或震惊

The massive shock blew off his shoes and knocked him unconscious.

重重的电击将他的鞋子震飞，将他震得不省人事。

The patient is suffering from severe concussion following a blow to the head

患者头部受击後患严重脑震荡

unconscious from a blow or shock or intoxication.

因为打击、震动或者陶醉而失去了知觉。

Do you think it likely that another big earthquake will hit Los angeles?

你认为还有一次大地震袭击洛杉矶吗?

He was bodly jarred by the blow.

那打击使他的神经震动得很厉害。

An earthquake is likely to strike the area in a year or two.

地震可能在一两年内袭击这一地区.

The strings of a piano vibrates when the keys are struck.

钢琴的琴键受击时,琴弦就会震动。

Shock upon shock continued to buffet the America of the 1960s.

震撼一个接一个冲击六十年代的美国。

The hammers strike the piano strings and vibrate them.

音锤敲击钢琴的弦并使之震动。