star section十字: cross; cross-shaped,like let ...截面: section; cross section; cros ...工字截面: h-section宽缘工字截面: bethlehem sections十字形截面: cruciform cross section下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:十字截面,即可在微信中查询翻译