Resistance spot welding in aluminum alloy was tested by ultrasonic immersion method with focusing probe.

Ways and methods of optimizing resistance spot welding parameters are given.

给出了优化点焊工艺参数的途径和方法.

New robot technique for spot welding used in automobile work is introduced.

介绍了汽车制造厂点焊用新型机器人技术.

It has great interest to establish Expert System ( ES ) for spot welding process.

建立点焊专家系统,对于实现点焊过程的智能化,优化点焊规范参数,降低对操作者的要求,提高点焊质量,具有重要意义.

This paper introduces a single chip computer system used for measuring the spot welding current.

介绍了一种用以检测点焊焊接电流有效值的单片机系统.

An axisymmetric finite element electro-thermo-mechanical model for resistance spot welding process is introduced.

介绍了模拟点焊熔核形成过程的轴对称电、热、力学有限元模型.

We sat, I in the spot on the couch immediately to his right.

我们坐着, 众目睽睽之下我紧挨总统的右手坐在沙发长椅上.

He was laid away in his favorite spot on the hill.

他被安葬于山上他喜欢的地点.

The red spot on his arm is a sting.

他胳膊上的小红点是虫叮的伤痕.

His assessment of the situation was spot-on.

他对形势判断得很正确。

How did you get that spot on your face?

你脸上怎么弄脏了一块?

Your budget figures were spot-on this year.

你做的本年度预算数字十分准确.

a spotless white shirt

洁白的衬衣

They lived upstairs in spotless quarters, although the bathroom was in the backyard.

虽然洗手间在院子里, 他们的卧室可是一尘不染.

He keeps his house spotless.

他把家里收拾得很整洁.

(figurative)He has a spotless record so far.

他的操行记录至今无任何污点。

He has a spotless record for the last 30 years.

30年以来,他没有任何不良(犯罪记录).

Put the spotless potatoes, tomatoes and tobacco atoms into the hot pot.

把无斑点的土豆 、 番茄和烟草微粒放进热锅里.

a spotless white handkerchief

一块洁白的手帕

She keeps a spotless reputation.

她保持着清白的名声.

She keeps the house spotless.

她把家里收拾得一尘不染。