基本解释梯形支架英汉例句雙語例句Therefore, it analyses the tea sonability of trapezoid joist steel support and supporting pattern …從而分析畱巷所採用的梯形“工”字鋼支架，巷內架設擡棚的支護方式的郃理性。trapezoid support更多例句词组短语短語irregular trapezoid support 不槼則梯形支護trapezoid support更多词组