短语词组短語Raw coal feed bin 原煤喂料倉coal pulverizing bin system 制粉系統pulverized coal storage bin 煤粉倉crushed coal storage bin 碎煤貯藏箱coal buffer bin 煤倉間coal storage bin 儲煤槽倉coal dust bin 煤粉倉run coal bin 原煤倉erect coal bin 直立煤倉 返回 coal bin