drillstring twistoff是什么意思

网络释义

用法例句

Analyzes the startup procedure of gas combustion engine,combining with the practice of its turn-round,finds out its turn-round reasons after steam turbine tripping during startup,proposes solutions and presents treatment results.

通过对燃气轮机开车程序的解读,结合燃气轮机实际掉转情况,分析启动气轮机脱扣时燃气轮机掉转的原因,提出解决办法并介绍处理效果。

By means of electron microscope analysis, chemical compsition analysis, mechanical test and metallurgical structure observation of thread tripping tubing in Daqing oil fields, we conclude that the tubing thread leaks when it can not seal properly.

对大庆油田某脱扣油管进行了电镜分析、化学成分分析、机械性能测试和金相组织观察等实验研究，认为由于油管螺纹密封不严而发生泄漏，油管螺纹长期被原油冲蚀，造成螺纹齿形减薄、变形，最终导致油管脱扣。

The mechanism of casing tube s thread tripping is analyzed and the measures to prevent casing tube s thread tripping are proposed in this article.

分析了套管脱扣的机理,提出了预防套管脱扣的措施,对提高套管产品质量,减少油田掉井事故的发生具有重要的参考价值。

overspeed and axial displacement trip

超速和轴向位移脱扣

The screw was stripped.

螺丝全脱扣了,不能用了。

inverse time-delay overcurrent release

反时限过电流脱扣器

inverse-time thermo-overcurrent trip

反时限热过电流脱扣

diesel overspeed trip

柴油机超速脱扣机构

high back-pressure and low oil pressure trip

高背压和低油压脱扣

drop-away value

落下值，释放值，脱扣值

bearing oil pressure trip device

轴承低油压脱扣装置

low lubricating oil pressure trip device

低滑油压力脱扣装置

definite-time delay over-current release

定时限过电流脱扣器

Hood Release Cable Bellcrank

引擎罩脱扣拉索摇臂

The shunt tripping device is used for a remote control of disconnection of the Breaker.

分励脱扣器用作远距离断开断路器。

Monitoring alarm, and protective tripping functions.

监视告警和保护脱扣功能。

Critical items are monitored continuously by protective tripping functions.

重要项目由保护脱扣功能连续监视。

emergency tripping device

应急跳闸装置应急脱扣装置

trip free relay

自由脱扣继电器自由释放继电器

TCP/IP Stack Design in Electrical Trip Unit

智能电子脱扣器中TCP/IP协议栈的设计

buckle-off mechanism with force-minished device;

带有减力机构的滚动摩擦扣结方式的脱扣机构设计;