Technical guidelines for prevention and control of urban road collapse 并列题名：Technical guidelines for prevention and control of urban road collapse Operation risk prevention and control of urban road facilities Technical guide for disease prevention and control on dairy farms Social risk prevention and control in urban areas Action plan for prevention and control of water pollution Technical guidelines for design and construction of highway retaining walls 并列题名：Operation risk prevention and control of urban road facilities Technical guidelines for renovation of old urban residential areas 并列题名：Action plan for prevention and control of water pollution