查询词典 weld

This indicated that the fracture had initiated at the unfused butt weld in the longitudinal stiffener.

研究表明裂纹是从纵向加劲助未熔透的对接焊缝中起始的。

Piping should be butt welded and each weld should be inspected.

管道应该头锻焊接，且每一焊接都需要检查。

An ultrasonic TOFDB-scan image was processed in order to accurately locate crack tip in heavy aluminum butt weld.

为了精确定位开口裂纹的端部在铝合金厚板对接焊缝中的位置，对其超声衍射时差法(TOFD，timeoffflightdiffraction)的B扫描图像进行了处理。

Then, carries on the vibration experiment with the different natural frequency and the optional frequency butt weld, enables its residual stress to obtain biggest reduction.

然后，用不同的固有频率及任选频率对焊接件进行振动实验，使其残余应力得到最大的降低。

Imagine a butt weld on 20 ga.

对接焊缝月20镓想象。

The butt weld plan carries on the generalized analysis appraisal, determines the optimization the welding plan.

对焊接方案进行综合分析评价，确定出最优化的焊接方案。

The development and technical characteristics of Headless Welding Rolling System are summarized, the main parts of headless welding rolling equipment are introduced, and the function and feature of each part are expatiated; At the same time, flash butt weld process is analyzed, especially the key technology.

总结了无头轧制技术的发展情况与技术特点，介绍了无头轧制设备的主要组成部分，详细阐述了各部分的功能与特点，同时分析了闪光焊接的工艺过程，并着重分析了无头轧制关键技术，并对无头轧制技术的优越性与应用前景作了简要分析。

In ultrasonic inspection of butt weld s, interfering echoes, such as corner echo, hill-shaped echo, etc.

在对接焊缝超声波探伤中，荧屏上常会出现一些影响缺陷判别的干扰回波，如焊角回波、"山形回波"等。

End Connections – choice of flanged or butt weld ends for piping flexibility.

连接端口-根据连接管道的情况，可选择法兰或对焊连接端口。

With some materials, this process will have to be repeated several times before a satisfactory butt weld is obtained.

用夹具夹住焊接线，用钳子夹住热电偶线，然后把两根线头对头接触，之后按焊接按钮。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。