单词	spacing collar
释义	spacing collar [化] 定距环
随便看	lead-alunite lead amalgam leadamalgam leadance lead and acid battery lead and cadmium lead and cadmium alloy lead and leave edges lead and oil paint lead and taper gauge lead and zinc deposit lead and zinc middlings lead an existence lead-angle lead angle lead angle at reference cylinder lead angle indicator lead-angle steering command lead-angle steering command (lasc) lead annealing lead anode lead-antiknock additive lead antimonate lead antimoniate lead antimonite 长乐钟声花外尽长于春梦几多时长亭晚送长亭柳长亭柳色才黄长亭短亭长亭舣住木兰舟长亭解雕鞍长亭路长亭路下锚下门下门牙下问下阴下降下限下限尺寸下院下院