矩形剖面 rectangular section: 矩形断面; 矩形剖面bar rectangular section: 矩形断面梁; 矩形梁briquette of rectangular section: 矩形断面坯块rectangular cross section: 矩形断面; 矩形横断面rectangular cross section beam: 矩形截面梁下载手机词典可随时随地查词查翻译