Promoting the city intellectualized management, making the contribution city for having no barrier city.
提升了城市的智能化管理、为创建无障碍城市做出了贡献。
Selecting the Products having no barrier of using the substituted technologies of non hazardous or low hazardous and being economic feasible.
选择含有有毒有害物质被无毒无害物质或低毒低害物质替代技术上已没有障碍,经济上可行的产品;
At least one groove having a width no less than 0.1 times and no more than 0.8 times the width of the barrier rib is formed on the barrier rib.
至少一个具有宽度不小于障壁宽度的0.1倍并且不大于障壁宽度的0.8倍的槽形成在所述障壁上。
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