slitting services for packaging materials
...ditioning services for steel drums 翻修服务，用于钢桶 Slitting services for packaging materials 开口服务，用于包装材料 Testing of packages and packaging materials 检测服务，用于包装和包装材料 ..
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slitting services for packaging materials
包装材料分切服务
以上为机器翻译结果，长、整句建议使用 人工翻译 。