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湖南省石化厅责承长沙化工机械厂起草了《液氨汽车槽车通用技术条件(试行稿)》。该标准参照了国外汽车槽车有关资料及国家劳
Hunan Petrochemical Department Cheng Cheng Changsha Chemical Machinery Factory has drafted a “liquid ammonia car tanker General technical conditions (Trial Draft).” The standard reference to foreign car tanker information and national labor