Retaining water roller doors 挡水卷帘门
Adjust Water Roller Pressure 调整水辊压力
water-roller 水辊
paddle boats & water roller 桨船和水辊
rubber printing water-roller 印刷用水辊
It bought Geauga Lake, an amusement and water park near Cleveland, in 2004 for $145 million only to close all of its roller coasters and thrill rides three years later.
2004年雪松会以1.45亿美元购买了Geauga Lake，这是靠近克利夫兰的一个游乐水上公园，不料3年以后所有的云霄飞车和惊险游乐设施都关闭了。
That both the structure and material of gravity dams and construction means of earth dams are used in roller compacted concrete dams make them increasingly used in water work.
碾压混凝土坝将混凝土坝结构和材料与土石坝施工方法两者的优越性结合起来，在水利工程中得到愈来愈多的运用。
That both the structure and material of gravity dams and construction means of earth dams are used in roller compacted concrete dams makes them increasingly used in water engineering.
碾压混凝土坝将混凝土坝结构和材料与土石坝施工方法两者的优越性结合起来，在水利工程中得到愈来愈多的运用。
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