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以往,水利,建筑施工部门编制生产计划或工程施工计划时,通常采用横道图法。这种方法虽具直观、易懂的优点,但不能清晰、明确地反映出各施工项目间的互相依存
In the past, water conservancy and construction departments to prepare production plans or construction plans, usually using the cross-bar graph method. Although this method is intuitive and understandable, it can not clearly and clearly reflect the interdependence among various construction projects