scraper chain, flight chain

刮板链; 刮板和圆环链链段的组件。分“中单链刮板链(single center chain )”、“ 中双链刮板链(twin center chain )”、“边双链刮板链(twin outboard chain )”、 “准边双链刮板链(twin wideboard chain)”和“三链刮板链(triple chain)”。