短語(yǔ)詞組短語(yǔ)sustained d combustion 持續(xù)燃燒sustained combustion coatings 阻燃?jí)T層oil -saving and sustained combustion 節(jié)油穩(wěn)燃sustained powdered -coal combustion 煤粉穩(wěn)燃 返回 sustained combustion