短语词组短語armored chain -scraper conveyor [鑛業][機]鎧裝鏈板輸送機armoured chain -scraper conveyor 鎧裝鏈板輸送機scraper chain conveyor 鏈板輸送機;埋刮板輸送機;鏈式刮土運輸機scraper r chain conveyor 鏈板輸送機 返回 chain scraper conveyor