Air should flow around mouth

Air should flow around mouth We should protect the air around us ___ . air around是什么意思 汽车配件里Air flow是什么东西 compressed air pressure,compressed air flow怎么翻译 英语翻译Working air flow:150L/min · Re Start Air Flow:90 PSI 要翻译 Where I can purchase the air mass flow sensor? so you should close your mouth! Mrs Green is going to England by air next mouth(对 by air nex 英语翻译no air-flow exceeding 50 μg/min.Except the thermal shock 三菱空调遥控器上的ECONO、MODE、FAN SPEED、AIR FLOW、HI POWER、SLEEP、ON 英语翻译A stall occurs when the flow of air over a wing is broke