短語詞組短語bucket t wheel machine 斗輪機bucket wheel machine foundation 斗輪機基礎automatic double bucket -wheel shiunloading machine 自動雙斗輪船邊卸貨機single -bucket-wheel stocking machine 單斗輪取料機Bucket -wheel sand washing machine 斗輪式洗沙機 返回 bucket wheel machine