top and bottom feed

基本解释

A thickener comprises a tank body with a bottom provided with a sand discharge port and a top provided with a feed port;
一种浓密机，包括罐体，所述罐体的底部设置有放砂孔，其顶部设置有进料口；
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Results indicate that the proper control of the top smoke feed and the bottom leaching agent can make the fluidization stable.
控制适宜的加料量和液速，可实现稳定流态化浸取。
Link-driven feed mechanism to ensure long durability and stable feed. Equal feed amount both from top and bottom to sew inflationary and latently movable material of medium and heavy weight.
连杆式送料机构，耐久性好，送料平稳，对膨体类缝料和潜移性较大的中厚缝料，在缝纫过程中能使上下层的送料量达到一致；
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