armature core disc
机 电枢心片… Read the rest
机 电枢心片… Read the rest
电 卷线轴心… Read the rest
机 胶面轴心… Read the rest
机 埋入砂心… Read the rest
*[‘skɒ:lis]
a. … Read the rest
*[‘skɒ:rә]
n. … Read the rest
计 大容量磁心存储器… Read the rest
化 血竭黄脂… Read the rest
大量的… Read the rest