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it's great fun for people to fly a kite in light wind what is wind high winds are very dangerous people can feel wind, hear wind but can't see wind
It can fly when there is no air. It can fly without wings. It is made of strong metal. It is propelled by burning gas inside it.
light winds clouds high winds loud sounds
Where em_id=‘11%’ Where em_id AS ‘11%’ Where em_id like ‘11%’ Where em_id link ‘11%’
it looks like a balloon. it is much lighter than an airplane. it doesn’t have wings. it works like an untied balloon.
hot gas rushes out of its head. it is powered by gas. hot gas rushes out of its bottom. hot gas rushes out of its neck.
组件TRIP OFF灯亮 主警告灯亮 系统告示牌上AIR COND灯亮 以上全部
are more dangerous are more harmful are more powerful are more welcome
moving air lighter clouds air pressure cold air
have book book want have wanted
AUTO FAIL，MASTER CAUTION，AIR COND，ALTN灯亮 ALTN灯亮 MANUAL灯亮 无任何指示，因为系统会自动转换为备用模式
Wind makes cold air higher and warm air lower. Wind can even carry cars and trucks to the sky. Wind makes all kinds of plants and flowers moving. Wind moves clouds in the sky and brings about rain.
the air will be too thin to support its wings. the air will become thicker. the air will exert pressure on it. the air will disappear in no tim
温度控制活门 掺混空气压力调节活门 掺混空气活门 流量控制活门
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