单词	lone pair
释义	lone pair ləʊnpɛə未共电子对
随便看	material requirements planning Material Requirements Planning List material requirements planningMRP material requirements planning mrp material requisite material requisition plan material requisition register material requisition summary material requisition unit material requisties Material Research and Production Methods material research laboratory material reserve material reserve in motion material reserves material resource material resource capital Material Resource Management System material resource reduction material resources material resources exploitation material responese material rest material retained on sieve material retardation