短語(yǔ)詞組短語(yǔ)pneumatic pressure ash conveying 正壓輸灰pneumatic ash conveying plant 氣力輸灰裝置pneumatic ash conveying system 氣力輸灰系統(tǒng)pneumatic ash -conveying control system 氣力輸灰控制系統(tǒng) 返回 pneumatic ash conveying