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