It points out that the direct spot welding of pure copper can be realized by the correct choice of pole material, pole form, welding equipment and criterion.

找出了用通常方法不能点焊纯铜的原因，介绍了纯铜点焊焊核形成的过程，指出以本文为依据正确地选择电极材料、电极形状、焊接设备和确定焊接规范，就可实现纯铜的直接点。

youdao

Used for outdoor advertising light box, through the door first, the announcement (publicity) column, pole light box display advertisements in the form of painting.

灯箱广告多用于户外，通过门头、布告(宣传)栏、立杆灯箱画的形式展示广告内容。

youdao

Only in the pole axis theory, do the point and the line become the endogenetic variable and they form the two indispensable factors of constructing spatial structure.

只有在点—轴系统理论中，点、线才都是内生变量，是构建空间结构模型的不可或缺的两大要素。

youdao

While winning the lower house would put Mr Bersani in pole position to form a government, no coalition will be able to rule effectively without control of the Senate.

BBC: Q&A: Italian election

So people in this state know that if either of their main regional parties sweeps this election - last time it was a DMK-led alliance, this time could be different - then it will be in pole position to help form the next Indian government in Delhi.

BBC: Tamil Nadu: India's kingmaker state

Michael Schumacher starts from pole position in his Ferrari, an apparent return to form after a disappointing 2005.

BBC: SPORT | Motorsport | Formula One | Bahrain Grand Prix as it happened