countersunk washer中文,countersunk washer的意思,countersunk washer翻译及用法 2026-05-05 23:36 浏览次数 22 countersunk washer英[ˈkauntəsʌŋk ˈwɔʃə]美[ˈkaʊntɚˌsʌŋk ˈwɑʃɚ]埋头垫圈