It is the most ideal chain sewing equipment for sewing in dust-proof strip or non dust-proof strip.

对需要增加防尘条或无防尘条的缝制是最为理想的链缝设备。

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The shell has narrow strip structure, and has the explosion proof structure in narrow side which can play a role of explosion proof effectively and solve problem of battery gassing.

本发明壳体呈窄长条形结构，并在窄长的侧面开设有防爆结构，可以有效的起到防爆作用，并且解决了电池析气的问题。

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