The Coast Guard choppers are coming in low over the water, the downdraft streaking a trough across the surface, the rescue guys swinging from cables like anyone could do what they do.
国家海岸警备队的直升机在水面上方低空降临，下降的气流在水面吹出一道波谷，前来救援的小伙子们从缆绳上摇荡下来，尽人所能尽之力。
From road bed (way trough), storey of the cushion, basic unit, to the road surface, every storey hast regulate the roughness.
从路基(路槽)、垫层、基层、到路面面层，每一层都必须控制平整度。
Using Imported Prepreg as the Raw Material, the Second Overall Compression Molding for External Trough Line and the Tube, Excellent Surface Finishment and Mechanical Performance.
采用进口预浸布作为原材料，槽线与管体二次固化整体成型，表面光洁度和力学性能优异。
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