日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

peen

音標[pi:]
peen是什么意思、peen怎么讀

peen漢語翻譯

n. 錘頂
vt. 用錘頂敲擊, 敲彎頭
【機】 尖底搗錘

peen詞型變化

動詞過去式:peened 過去分詞:peened 現(xiàn)在分詞:peening 第三人稱單數(shù):peens 

peen英語解釋

名詞 peen:

  1. the part of a hammerhead opposite the flat striking surface (may have various shapes)

peen詳細解釋

peen

n.(名詞)
The end of a hammerhead opposite the flat striking surface, often wedge-shaped or ball-shaped and used for chipping, indenting, and metalworking.
錘頂:錘頭平的打擊面反面通常呈楔形或半球形的頂端,用于削、鑿和金屬加工
v.tr.(及物動詞)
peened,peen.ing,peens
To hammer, bend, or shape with a peen.
錘打:錘擊、使彎曲或用錘頂來打成一定形狀

來源:
[Probably of Scandinavian origin]
[可能源于斯堪的納維亞半島]

0
糾錯