guide specifications meaning in English

指导性规范

Guide specifications for design of metal flagpoles
金属标杆的设计指导规范
Guide specifications for stainless steel hollow metal doors and frames
不锈钢空心金属门和框架指导性规范
Guide specifications for detention security hollow metal doors and frames
阻滞安全型空心金属门和门框的指南规范
Guide specifications for commercial security hollow metal doors and frames
商用安全中空金属门和门框的指南性规范
Guide specifications for swinging sound control hollow metal doors and frames
摇摆声控空心金属门及门框指导性规范