[交] 危险货物分类和品名编号 classification of dangerous goods: 危险物品分类code of dangerous goods: 危险货物品名编号dangerous goods code: 危险品符号; 危险品规则maritime dangerous goods code: 海上危险货物规则tra ortation of dangerous goods code: 危险货物运输规则下载手机词典可随时随地查词查翻译