peen是什么意思
英文词源
- peen (n.)
- 1680s, "sharp or thin end of a hammer head, opposite the face," probably from a Scandinavian source (compare Norwegian dialectal penn "peen," Old Swedish pæna "beat iron thin with a hammer"). Earlier as a verb, "to beat thin with a hammer" (1510s).
实用例句
- 1. The new development of modem tool materials and prospect in the peen forecasted.
- 对现代刀具材料的新进展及来来的状况作了讨论与预测.
来自互联网
- 2. To peen sandblasting, Shot Blast Cleaning, green dust three series over 100 varieties - oriented products.
- 以喷丸喷砂 、 抛丸清理 、 环保除尘三大系列100多个品种为主导产品.
来自互联网
