铝锂合金是密度较小、强度较高，且具有可焊接特性的新型先进铝合金宇航结构材料。

Aluminium lithium alloy is lower in density and higher in strength. It is a new kind of weldable structural material for space navigation.

youdao

通过简单分析该主电路的结构形式和工作原理，证明它是一种对电网污染少、整流输出电压特性好的焊接电源主电路形式。

By analyzing its structure and working principle, it proves that the new circuit has little pollution to the network and has well characteristic of the output voltage.

youdao

通过分析双焦点聚焦特性对激光焊接质量的影响，论证了双焦点激光焊接技术的特点。

In this paper, analysis the influence of the focusing characteristics for the quality of the laser welding, demonstrate the characteristics of twin-focus welding technique.

youdao