The laser beam melts a portion of the steel core and the segment backing metal, forming a weld.
激光光束熔体部分钢铁核心和后盾金属部分，形成焊缝。
The backing material must be as smooth as possible, and the circuitry sealed beneath a layer composed of a polymer-metal-polymer sandwich.
这种电路的基板材料也非常平滑，在这个电路的下次是由聚合物-金属-聚合物这种类似三明治的夹心结构组成的。
A multilayer sliding bearing includes a rigid metal backing (12) having a metal bearing liner (14) attached thereto.
一种多层滑动轴承，包括具有贴于其上的金属轴承衬垫(14)的刚性金属背衬(12)。
It was found that impact toughness of weld metal was maximum using carbon arc air gouging, and it was minimum using acid backing.
结果表明，清根方式对焊缝冲击韧度有明显影响，用碳弧气刨清根得到的焊缝冲击韧度最好，而用酸性衬垫得到的焊缝冲击韧度最差。
This backing consists of the ceramic backing block and the metal case. It is suitable for SEGARC automatic process.
本衬垫由陶瓷衬块和铁皮槽组成，供立向气电自动单面焊。
This backing consists of the ceramic backing block and the metal case. It is suitable for SEGARC automatic process.
本衬垫由陶瓷衬块和铁皮槽组成，供立向气电自动单面焊。
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