焊接的

The parameter of laser energy transfer efficiency is used in the new model with a clear physical meaning for the first time. The mean absorption factor of laser induced plasma to the laser within the keyhole is calculated according to different welding parameters using the relative intensity method of spectral lines.

首次有机地将激光焊接能量传输效率这一重要的焊接参数以明确的物理意义引入数学模型中；通过谱线相对强度法计算推导出每一个焊接规范下小孔内等离子体对激光的平均吸收系数。

By application in one large ethylene engineering,it was demonstrated that the welding procedure of chrome molybdenum alloy steel was right and rational,at a greater degree,it improved the welding quality and decreased defects in the welding process.

通过在某大型乙烯工程施工中的实际应用，验证了此铬钼合金钢焊接工艺是正确合理的，能够较大程度提高管道焊接质量，减少焊接时各种缺陷的产生。

This broad weld will improve the strength of the constantan/ copper junction and provide a large area pad for welding to third party base materials.

这种大面积的焊接会增加康铜与铜接合的强度，从而提供一个大范围的焊接点来与第三方基体材料焊接。

Mainly used for:(1) one type of welding, diamond head of the welding, the welding carbide saw blades and diamond tools, abrasives, drill welding.

主要用于：焊类 1、金刚石刀头的焊接，硬质合金锯片的焊接及金刚石刀具、磨具、钻具的焊接。

It is an advanced welding tec hnol ogy to solve welding spatters of titanium alloy pressure vessels. Such a w elding method is held in vacuum condition and with a little argon gas through a hollow cathode to start a arc.

这是为解决钛合金容器焊接存在的飞溅问题而发明的一种先进的焊接工艺方法，在真空条件下，采用管状空心阴极，通入少量氩气，从而引燃电弧进行焊接。

Though the gyration and retroflexion of the workbench, the welding positioner can make the welding line to an ideal position, which can improve the quality of the welded joint, reduce welder's workload. It is ideal equipment especially fit to weld the kinds of workpiece, just like the shaft, tray, canister, and so on.

焊接变位机可水平翻转角度，通过工作台的回转及翻转运动使工件上焊缝处于最理想的位置进行焊接，从而大大提高焊缝质量，减轻焊工劳动强度，尤其是适合焊接各种轴类、盘类、筒体等回转工件的理想设备。

According to weld status in our country, auto-welding control technology of saddle-shaped curve is investigated in depth and the auto-welding control system is developed based on the numerical control principle.

针对我国的焊接现状，本文对马鞍型曲线自动焊接控制技术进行了深入的研究，开发了基于数控原理的马鞍型曲线自动焊接控制系统。

Welding control system comprises hardware and software, using C language welding program, and it reduces difficulty of control system exploitation. Scheduling control, sampling disposal of feedback signals and digital PI modulation are achieved through program control, and this controls veraciously welding process.

焊接控制系统由硬件和软件两部分组成，焊接程序采用C语言编写，降低了控制系统软件开发的难度，通过程序控制实现时序控制、反馈信号的采样处理及数字PI调节，对焊接过程进行准确的控制。

To keep the stability of welding arc is an important task in welding automation field, when the distance between the welding torch muzzle and the surface of the work piece changes.

在MIG焊接过程中，当焊枪喷嘴与工件表面的距离发生变化时，如何保证焊接弧长的稳定是焊接自动化领域研究的重要课题之一。

Wires can be welded to difficult bases by first passing them through a short stub tube of similarmaterial, and then welding the assembly to the base.

或者，一开始将焊接线穿过一个与基体材料材质类似的短管，然后把组件焊接到基体上，通过这种方法可把任何的材料焊接在基体上。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。