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某日,平台工程师汉斯再次来到某工地。这位来自德国汉堡的工程师摘下黑色的安全眼镜,蓝色双眼透着忧郁——七天后一定要在这个区域开始管道加工和安装,不然工期就要拖后一个月。抬头望望天空中黑压压的乌云,汉斯的脸色更加阴沉了,不禁想起刚才会上的决定:一定要在五天内完成整片地坪施工,不然就退出下一个项目的投标。而这一片2500平方米的地坪,要换填1000方碎石,绑扎20吨钢筋,浇注250方混凝土,他们能按期完成吗?
One day, platform engineer Hans again to a site. The engineer from Hamburg, Germany, took black safety glasses and his blue eyes were gloomy - after seven days must start pipework and installation in the area, otherwise the deadline would have lagged a month. Looked up at the dark clouds in the sky, Hans’s face more gloomy, can not help but think of just the meeting’s decision: be sure to complete the entire floor within five days of construction, or to withdraw from the next project bid. And this piece of 2500 square meters of floor, to fill 1,000 square rubble, tied 20 tons of steel, pouring 250 square concrete, they can be completed on schedule?