rod connector meaning in Chinese

抽油杆接头
钻杆连接器

Age 4 + ) construction rods connectors and the work cards are used to develop concepts of space , shapes , symmetry by building geo models . set with 48 rod , 64 clear rod , 40 cube , 12 of 6 sleeve flexible connector , 12 of 8 sleeve flexible connector , 7 of work card
适合四岁或以上)小朋友利用小小工程棒、连接胶以及说明卡砌出不同的几何模型，学习空间、形状、对称等概念，内附7张工作卡。