基本解释楼梯踏板英汉例句双语例句The torsion steels in two sides(outside and inside) of the arc stair tread need to be reinforced possibly to resist twist moment.对某改造工程中后增室外弧形楼梯中出现的裂缝进行分析及加固处理。stair tread更多例句词组短语短语abrasive stair tread 腐梯板Rubber Stair Tread 橡胶楼梯板stair tread WESTBANK 楼梯踏步stair tread更多词组专业释义土木建筑工程楼梯踏板