词汇	来复螺纹
释义	来复螺纹 lái fù luó wén即來復線。
随便看	preparation principle preparation procedure preparation proce-dure Preparation procedures preparation process preparation process amelioration preparation processing Preparation processing of Combing preparation program Preparation,Prosthodontic Tooth preparation protocol Preparation quality preparation, radiodiagnostic preparation relay preparation roadway preparation roller preparation room preparation room for physics experiment Preparation,Root Canal preparation routine preparations preparations against natural disasters preparation sample preparations and plans preparation scale