back of levee
... back-off angle 后让角，后角 back of levee 堤背 back order memo 延期交货通知单 ...
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... leve braked motor ==> 杠杆式制动电动机 levee back ==> 堤背,堤防背面 levee body ==> 堤体 ...
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堤背混凝土 backing concrete
背水堤 back levee
堤防背水面 back of levee
背割堤 Kasen
堤防背面 levee back
大堤开裂的主要原因为背河侧放淤、淤背施工过快、湿化变形、排水不畅、堤顶堆载、车辆作用等。
The main factors are reinforcing dike with silt, construction in high speed, soak deformation, poor drainage, stacking load at the tip of dike, impact of vehicle and so on.
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