焊的

The system not only can measure the outer and dynamic characteristics and static electric parameters, but also can measure three- phase power factor, input harmonic current and frequency spectrum, and efficiency of arc welding machine.

系统不仅具有测量外特性、动特性、静态参数、电焊机温升等传统电焊机测试台所有的功能，同时还可以测量三相功率因数、输入端电流谐波和频谱分析、弧焊电源效率的功能。

Using universal PWM method means to control output power and output characteristic through controlling IGBT switch on time.

控制电路采用脉宽调制方式进行输出控制，即：控制IGBT的导通时间来实现焊机输出功率与输出特性的控制。

In the end, based on the deep analysis of its application to digital welding power source, this paper forecasts the future development.

最后，对计算机仿真技术在数字化焊接电源应用中存在的问题进行了深入分析，进而展望我国数字化焊机电源的发展。

Is there a way to control the thick of the printed solder paster ? And record it

是否有办法控制已印刷的焊贴的厚度，并进行记录？

Liquid penetrant inspection is a nondestructive method for locating surface cracks and pinholes that are not visible to the naked eye.

超声波检查是查出，查出和测量表面和表层下瑕疵一个迅速和高效率的非破坏性的方法在焊件和基本材料。

Nearly all the shops have piped music.

差不锈钢焊管多所有的商店都连续播放有线广播的音乐。

The three-dimensional nonlinear finite element modeling is used to analyze stress-strain response of solder joint under certain power cycling loading condition.

采用非线性有限元方法，分析了CSP封装形式的焊点在给定功率循环下的应力应变。

The component parts and control principle of pulsed SAW inverter power source are mainly introduced in the paper.

本论文主要介绍了所研制的单片机控制逆变埋弧焊机的组成结构和控制原理。

Patches of various models for conducting a one-stop repair and maintenance, training in high-level technical guidance, while a variety of Medieval II of the sale of mobile phones, following SMT processing, and agents in Japan and the United States SAOHAR solder paste°red gum, Thermometer reflow, printers and other devices.

对各种机型贴片机进行一站式的维修保养、中高层技术指导培训，另外各种中古二手机的买卖，承接SMT来料加工，并代理日本SAOHAR锡膏及美国邦威红胶、回流焊测温仪、印刷机等设备。

1 Is the Reflow technology in use suitable for the product being built?

使用的回流焊技术是否适于正在生产的产品？

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐