through hole
中文翻译
[计] 通孔
[化] 通孔
常见例句
1
heavy pin having a head at one end and the other end being hammered flat after being passed through holes in the pieces that are fastened together v
2
n ornament consisting of a circular rounded protuberance (as on a vault or shield or belt) n heavy pin having a head at one end and the other end being hammered flat after being passed through holes in the pieces that are fastened together v direct one's attention on something v fasten with a rivet or rivets v hold (someone's attention)