The application of residue - removing drum screen in the flotation workshop of Donganshan Sintering Plant is described.
介绍了东鞍山烧结厂浮选车间应用圆筒除渣筛的应用情况。
Shadow puppets, displayed on the screen and steered by people behind, and the rattle-drum which can make the rattling sound by shaken are also favorites amongst children.
皮影戏，在屏幕上显示的人背后操纵，和拨浪鼓可以通过摇动使声音也最爱儿童。
The screen reel drum and the card-shelf reel drum are fixed above the blackboard, and the picture clip is fixed on the upper frame of the blackboard;
银幕卷筒、卡片架卷筒固定在黑板上方，图片夹固定在黑板的上框上。
The screen reel drum and the card-shelf reel drum are fixed above the blackboard, and the picture clip is fixed on the upper frame of the blackboard;
银幕卷筒、卡片架卷筒固定在黑板上方，图片夹固定在黑板的上框上。
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