countersink

countersink读音音标

英 [\'kaʊntəˌsɪŋk]

美 [\'kaʊntəˌsɪŋk]

countersink意思解释

vt.

钻孔装埋，打埋头孔；

n.

埋头孔，暗钉眼；

变形

过去式：countersank

过去分词：countersunk

现在分词：countersinking

第三人称单数：countersinks

英英释义

n.

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

a bit for enlarging the upper part of a hole

同义词：counterborecountersink bit

v.

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

同义词：set