installation site短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 安装位置,安装场所,安装地点 How to reduce installation cost, improve installation quality and make installation site a safe place by project management means attract attention of all elevator enterprises. 如何通过项目管理手段来降低安装成本，提高安装质量，提高现场施工的安全保障，是电梯企业急需解决的问题。 cnki