基本解釋梯形支架英漢例句雙語例句Therefore, it analyses the tea sonability of trapezoid joist steel support and supporting pattern …從而分析留巷所采用的梯形“工”字鋼支架，巷內(nèi)架設(shè)抬棚的支護(hù)方式的合理性。trapezoid support更多例句詞組短語短語irregular trapezoid support 不規(guī)則梯形支護(hù)trapezoid support更多詞組