Corenen.科丽恩coren.核心；果心；要点vt.挖去果核core-pulling spacing抽芯距离core -shell emulsion核壳乳液Core author population作者群core plugging behavior岩心封堵性能core extruding machine挤芯机Core Mechanical Mockup磁心机械模型core strength training核心力量训练Corethrella iridovirus考尔斯莱拉虹彩病毒core diameter of thread螺纹底径core-periphery theory核心-边缘理论