Continental production and flower pots, cisterns, nursery toys, chemical preservative products.

兼产欧式花盆 、 水箱 、 幼儿园玩具 、 化工防腐产品.

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At the same time, option chemical preservative in order to compare with the ProPis.

同时选择常用化学防腐剂苯甲酸钠作为对照.

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To prevent discoloration of ( a photographic image ) by washing or coating with a chemical preservative.

用化学防腐剂冲洗或覆以一层防腐物以防 ( 照片 ) 褪色.

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