countersunk square neck bolt 埋頭方頸螺栓

countersunk head [機(jī)] 埋頭釘，沉頭型

countersunk vt.鉆孔adj.埋頭的

countersun 幻日

countersuite [法] 反訴

countersuit 反訴

countersuggestion 反暗示

countersue 反訴

countersubject n.[音]對題

counterstroke (n.)

counterstroke n.回?fù)?對側(cè)傷)

counterstrike [法] 反擊

counterspy n.反間諜

counterspies n.反間諜

counterspectrometer n.計(jì)算能譜計(jì)

counterspace 空間對抗

countersinks v.張捫孔口；鉆孔裝埋；打埋頭孔n.皿錐；埋頭孔；暗釘眼

countersinking 锪錐孔

countersinker n.擴(kuò)埋頭孔刀

countersink head bolt [機(jī)械工程]埋頭螺栓