“planker”的英英意思

单词 planker 释义 planker|plk(r)|[f. plank v. + -er1.]A workman who planks or kneads hat-bodies in the process of felting them.1902Brit. Med. Jrnl. 15 Feb. 378/1 In hand-planking the ‘form’ is dipped in boiling water acidulated with vitriol, and then f...