DictionaryForumContacts

   English
Google | Forvo | +
turned bolt
archit. 加工螺栓
bridg.constr. 精制螺栓
mech.eng. 精制〔旋成〕螺栓; 车制〔精制,旋成〕螺栓
met. 车制螺栓
tech. 紧配螺栓; 光制螺栓; 精加工螺栓