单词：scraper feeder
scraper feeder的用法和样例：
例句
- The spout feeder feeds the material, water, and grinding balls, into the mill and consists of a lined spout feeder, a feed trunnion liner, and a sandwheel assembly.管式给料机将物料，水，球给入磨机，它由直线管式给料机，给料轴衬板，和砂轮组成。
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