7、mail that is sent by air transport.
11、To travel by land takes much longer than by air.
15、Sound dis carried by air, and without air there can be no sound.
19、The article introduces the inverting way of assembling an oil tank by air jacking, and analyzes the pressure and air flow needed by air jack system.
23、Sending packages by sea is cheaper But slower than by air.
27、The equivalent figures for passenger kilometres are 75% by automobile, 24% by air and 1% by heavy rail.
31、Objective To study the air sterilizing effect by air bacterial disinfectant tablet in coronary when people move around in disease care unit (CCU).
3、She often travels by air.
8、Is it your first trip by air?
13、Are you going by sea or by air?
18、The visitors will be transported to the factory by air or by helicopter or by taxi .
24、The goods can be sent by flat mail or by air.
29、Carried around the world by air travelers, it is caused by a never-before-seen strain of coronavirus.
2、cooled by air conditioning.
9、‘George won't travel by air, ’he said. He said George wouldn't travel by air.
16、He invented something special that was pushed along by air.
22、I'm not wrought-up, He needn't send it by air, only send it by sea.
30、Nano-sized iron oxide yellow particles were prepared by air oxidation, and characterized by XRD and TEM.
5、W: by sea or by air?
14、Air conditioning system: cool source is composited by air cool mode cool water unit and hung ceiling air treatment cabinet.
25、Kevin: We'd like to ship half the order by air and the rest by sea.
1、He arrived by air.
12、Will you travel by sea or by air?
26、Objective: Study on the effect of continuing air disinfect on by air-disinfector in operation-room in hospital.
6、Do you like travel by air?
21、An air condition scheme is made by comparison in which the air condition system consists of cabinet air conditioner by air cooling direct evaporation and the conditioners are arranged dispersedly.
10、Will you go there by train or by air?
32、The team compared the lifecycle emissions of high-speed electric rail with transport by car, by heavy rail (the Amtrak diesel system) and by air.
28、The heat of high power semiconductor laser array is absorbed by a semiconductor refrigerator and dissipated by air cooling.
4、Travelling by air is horrible.
20、Raising rice seedlings by air-pruning method and the sequential transplanting scheme of air-pruning seedling, extracting and launching seedlings by air sucking method were put forward.
17、All of the items were freighted by air.
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