短語(yǔ)詞組短語(yǔ)scraper r chain conveyor 鏈板輸送機(jī)chain scraper conveyor 鏈板輸送機(jī)armored chain -scraper conveyor [礦業(yè)][機(jī)]鎧裝鏈板輸送機(jī)armoured chain -scraper conveyor 鎧裝鏈板輸送機(jī) 返回 scraper chain conveyor