人工帮你查
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【1201】火车及其零部件
C120009<span class='red'>火车</span>车轮 氢燃料<span class='red'>火车</span> 120002<span class='red'>火车</span>车厢连接器 C120010<span class='red'>火车</span>车轮毂 <span class='red'>火车</span>车轮轮缘 <span class='red'>火车</span>车身结构件
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【3903】陆地运输
<span class='red'>火车</span>客运 <span class='red'>火车</span>货运
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【0102】用于工业、科学、农业、园艺、森林的工业化工原料
C010088<span class='red'>一</span>氯甲烷 C010147<span class='red'>一</span>乙醇胺 <span class='red'>一</span>硫化锡 C010131<span class='red'>一</span>乙基苯胺 <span class='red'>一</span>氯醋酸 C010113<span class='red'>一</span>缩二乙二醇
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