The heating element is screwed up by highresistancealloy wires and installed on the hearth's two sides, the rear wall of the furnace bottom and the furnace door.
加热元件的由高电阻合金丝绕制成螺旋状，安置在炉膛二侧，炉底后墙及炉门上。
2
The quality of resistance spot welding of low carbon steel and high strength low alloy steel is studied by looking into the dynamic voltage characteristics of the electrodes.
本文通过对电阻点焊电极电压动态特性的分析，研究了低碳钢及低合金高强度钢电阻点焊的质量问题。
3
The file hard (60rc) high strength aluminum alloy tube provides a smooth corrosion free sealing surface and excellent abrasion resistance.