短語(yǔ)詞組短語(yǔ)open -burning 開(kāi)放式燃燒Open -air burning 露天焚燒open burning coal 非結(jié)焦性煤open burning permit 露天焚燒許可証open burning of refuse 露天焚燒廢物open burning tender 公開(kāi)現(xiàn)場(chǎng)投標(biāo) 返回 open burning