centrepin中心销
centren.中心;集中点v.居中;使集中=center<美>adj.中心的;中央的
centre-driven twin mill中央传动的双台开炼机
centre word implicit core隐核心结构
centre-tapped secondary中心抽头次级线圈
centreless grinding wheel无心磨削砂轮
centre-pivot irrigation心轴旋转式喷灌
centre-block type joint中心滑块式连接
"education was the centerpiece of the Democratic Party's political platform"