短語詞組短語Railway car integral hopper structure 發(fā)明名稱hopper -bottom car car 底卸式車輛hopper car [建]漏斗車;底卸式車輛;底卸式車;散貨車Grass hopper car changer 越頂式換車器pneumatic bllast hopper car 風(fēng)動(dòng)石碴漏斗車coal hopper car 煤炭漏斗車movable grain hopper car 活動(dòng)糧食漏斗車covered hopper car 有蓋漏斗車railroad hopper car 鐵路漏斗車 返回 car hopper