短語詞組短語fine bubble diffused aeration 微孔曝氣bubble e aeration 氣泡充氣coarse bubble aeration 粗氣泡曝氣fine bubble aeration equipment 小氣泡曝氣設(shè)備fine bubble aeration 人工復(fù)氧fine -bubble aeration 微氣泡曝氣bubble -free aeration 無泡曝氣coarse -bubble aeration 大氣泡曝氣blast fine bubble aeration 純氧射流曝氣 返回 bubble aeration