hat section帽: cap; hat; helmet; headgear形: form; shape截面: section; cross section; cros ...扎帽形截面: top hat sectiont形截面: t-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:帽形截面，即可在微信中查询翻译
