washbox feed sill 跳汰机给料拦板

washbox centre sill 跳汰机中部拦板

washbox air cycle 跳汰机空气进出周期

trapezoidal washbox 梯形跳汰机

Baum jig washbox 鲍姆型跳汰机

washbox compartment 跳汰机筛上分室

washbox screenplate 跳汰机筛板

washbox slide valve 跳汰机滑风阀

washbox piston valve 跳汰机滑风阀

washbox screen plate 跳汰机筛板