auxiliary reference section 辅助参考剖面
auxiliary convection section 辅助对流段
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Packing section: auxiliary section of sewing section. Assist to finish non-sewing work in producing bags, such as packing, cut threads, turn over bags, etc.
包装部：车缝部的辅助部门，协助完成车间生产袋子的非车缝工作，如包装，剪线，翻袋等等。
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