corern.去心器；挖核器coren.核心；果心；要点vt.挖去果核core switch circuit磁心开关电路core-streptavidin核心链酶亲和素core noncircularity纤心不圆度core-type reactor芯式电抗器core shell coupling扩孔器联轴节core zone remelting中心区域再熔炼Coreshell structure核壳结构core journal effect核心期刊效应cored soldering rod空心钎焊条core-rope storage磁芯线存储器