The width of laser welds on the top and bottom surfaces of hot rolled plates after laser welding was measured.

测量了激光对接焊后热轧钢板正背表面焊缝宽度，分析了激光焊的焊接速度对热轧钢板焊缝成形和质量的影响。

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The bottom board is arranged at the bottom edge of the insulating shell, and terminal inserting holes penetrated are arranged on the bottom board corresponding to terminal welding points;

底板是设在绝缘壳体的底缘处，在其上对应于端子焊接处设有贯穿的端子插孔；

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First, weld the butt seams on the bottom plate of the furnace, with radiating and symmetric welding conducted from the central point.

先焊炉底板间对接焊缝，由中间往四同辐射对称焊接。

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First, weld the butt seams on the bottom plate of the furnace, with radiating and symmetric welding conducted from the central point.

先焊炉底板间对接焊缝，由中间往四同辐射对称焊接。

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