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The retanning and finishing technology of Jining goat skin soft bag leather was studied.
对济宁路山羊软包袋革复鞣及整饰工艺进行了研究。
youdao
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Adapted to the various soft plastic bags and I have held a bag of food.
适应于各种塑料软袋和已开过口的食品袋。
youdao
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Adapted to the various soft plastic bags and I have held a bag of food.
适应于各种塑料软袋和已开过口的食品袋。
youdao