确定流水步距的基本要求有哪些?
1、施工过程按各自流水速度施工,始终保持工艺先后顺序; 2、各施工过程的
专业工作队投入施工后尽可能保持连续作业; 3 、相邻两个施工过程(或专业工作队)在满足连续施工的条件下,能最大限度地实现合理搭接。Goods are carried by several of transport--on road or rail, by sea or air.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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