From the support forms, the simply supported-continuous bridges have mostly two main structural forms: single prop and dual prop.
从支承形式上来看，简支转连续梁桥主要包括单支座和双支座两种主要的结构形式。
Fuqiang Coal Mine adopts mining full height actual process by adding the length of single prop once has made obvious economic and social benefit.
富强煤矿在回采工作面推广使用单体支柱加长一次采全高回采工艺，取得了明显的经济和社会经济效益。
With the postman’s triumph of getting both pink and white blossom on a single tree, I shouldn’t be surprised to see even my gateposts or my wife’s clothes-prop burst into sudden and urgent flower.
邮递员成功地让一棵树上同时长着红白两色的花。 看来，如果我家门柱或者我妻子的晾衣架上有一天突然绽放鲜花，也不足为奇的了。
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