电力系统 Powersystem
石油、化工 Petroleum,Chemical industry
建材、造纸 Building materials,Paoer making
交通、港务 Traffic,Port
给排水、热水 Water supply and drainage,Hot water
航天、民航 Aerospace,Civil aviation
车辆、船舶制造 Vehicles,Ships manufacturing
环境,污处理 Environmental protection,sewage treatment
医药、卫生、食品 Medicine,Health,Food