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？

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。