Heating cable cross: must be used in explosive situations linear supporting proof junction box, the general situation can also be used splice or welding.
伴热电缆的交叉：在易燃易爆场合必须采用配套的防爆直线型接线盒，一般场合也可以采用绞接或焊接。
Movement and rational layout of welding seam are the key factors affecting stamping forming quality of welding splice pieces.
焊缝位置的移动以及布置合理与否是影响拼焊板冲压成形质量的关键。
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