It showed that the weld cross section with both laser welding processes transformed from nail shape to near X shape with increase of laser power and decrease of welding speed.

结果表明，随激光功率增大和焊接速度降低，复合焊与单一激光焊焊缝的横截面形貌均由钉形向近X形转变。

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With increase of heat input and laser power density, the cross section of the weld transformed from nail shape to near X shape.

随焊接热输入和激光功率密度的增大，焊缝截面由钉形向近X形转变。

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Main products of company are steam-power steel row nail , shoot nail and cement nail etc.

公司的主要产品是汽动钢排钉、射钉、水泥钉等。

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Despite literally hundreds of attempts in front of the lens and several more behind it, we've only managed it once -- we found it impossible to nail down the correct timing between the home and power button pushes.

ENGADGET

Using this, developers will come up with apps that can "introduce themselves, " automatically installing themselves on 1 or 100 servers at once using the Internet-era language XML. Such automation and, of course, the power of cheap chips from Intel is supposed to be the last nail in the mainframe's coffin.

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