埋头螺栓

1.dropbolt  2.patchbolt  3.countersunkbolt  4.flushheadedbolt  5.countersunkheadbolt  6.countersinkbolt  7.flushbolt  

埋的英语翻译：

burying; cover up; inter

头的英语翻译：

beginning or end; cobbra; conk; crumpet; end; first; garret; hair; head
leading; nob; noddle; pate; sconce; side; top; twopenny
【医】 capita; caput; cephal-; cephalo-; head; kephal-; kephalo-

螺栓的英语翻译：

【电】 bolt