首頁英語countersink是什么意思

countersink

英 [\'ka?nt??s??k]|美 [\'ka?nt??s??k]

過去式：countersank 現在分詞：countersinking 過去分詞：countersunk 第三人稱單數：countersinks

詞組搭配

countersink drill埋頭鉆；埋頭坫；靜心鉆；中心鉆

countersink head rivet埋頭鉚釘

countersink head bolt埋頭螺栓；靜心螺栓；埋頭

machine countersink drill機械埋頭鉆嘴

countersink bit埋頭鉆嘴；裝定位；靜心鉆嘴

countersink head screw埋頭螺絲；靜心螺絲

rose countersink drill埋頭鉆嘴；靜心鉆嘴

Flat countersink square neck bolts沉頭方頸螺栓；沉頭方頸

CSK Countersink埋頭孔；埋頭；埋頭的

Noun

1. a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface

2. a bit for enlarging the upper part of a hole

Verb

1. insert (a nail or screw below the surface, as into a countersink)