始终与你的脊椎休息时，你的脖子上拱落后一致。
Always keep your neck in alignment with the rest of your spine when arching backward.
结合工程实例，介绍钢筋混凝土水池池底板上拱的原因及处理措施。
In the combination with the project example, the paper introduces the cause and the treatment measures of reinforced concrete basin slab bulge.
上部结构的建筑高度为3英尺6英寸，有19英尺8英寸显著的上拱度。
The superstructure has a depth of 3 ft. 6 in. with a marked camber of 19 ft. 8 in.
应用推荐