短語(yǔ)詞組短語(yǔ)coal receiving hopper 受煤鬭Coal undergroud hopper vibrator 地下煤鬭振動(dòng)器raw coal storage hopper 原煤貯倉(cāng)coal metal hopper 金屬小煤鬭coal lock hopper 閉鎖式煤鬭coal powder hopper 粉倉(cāng)coal lock hopper dcs system dcs 系統(tǒng)coal hopper detail 煤炭漏鬭steel coal hopper 鋼煤鬭 返回 coal hopper