It is also used in many parts of airplanes. In fact, the huge “airbus” planes would probably never have been produced if aluminum did not exist. By making vehicles lighter in weight aluminum has greatly reduced the amount of fuel needed to move them, Aluminum is also being used ...
inthehullsofboats.Itisalsousedinmanypartsofairplanes.Infact,thehuge“airbus”planeswouldprobablyneverhavebeenproducedifaluminumdidnotexist.Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,Aluminumisalsobeingusedextensivelyinthebuildingindustryinsomecountries...
aModern airplanes have two black boxes: a voice recorder, which tracks pilots' conversations, and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help investigators reconstruct the aircraft's final moments. Placed in an insulated (隔绝的) case ...
Why is the drone designed without a heavy motor or a heavy battery? C A. To reduce the time to build it. B. To save more energy and fuel. C. To spare more space for goods. D. To make it fly higher in the sky.10. What do we know about the drone according to the Otherlab?
原告申某系淇县桥盟乡大石岩村乡村医生，在本村开设一家“中西药门诊”。去年5月9日，淇县医药监督管理局工作人员在履行正常检查时，查出原告正在销售的药架上有过期药品和非法制剂，同时发现该门诊没有药品购进记录。对此，淇县药监局于去年7月29日，依据《中华人民共和国药品管理法》和《药品流通监管管理办法》，...
It is also used in many parts of airplanes. In fact, the huge “airbus” planes would probably never have been produced if aluminum did not exist. By making vehicles lighter in weight aluminum has greatly reduced the amount of fuel needed to move them, Aluminum is also being used ...
The rapid development of these enterprises was stimulated by technical advances, such as the invention of the spinning wheel and the discovery of a new method of making brass, which saved about half of the fuel previously used. In the mining and smelting in dustries a form of organization ...
B Today, dogs are found___±__ (help) to all who tly in airplanes. They are trained to smell, track and find bombs on planes and in luggage. Dogs are easy to train because they already have a deep co11nection with humans. Many of these dogs are donated to the safety program , ...
2.Feed your head.The brain runs badly if it doesn’t get enough fuel.That means protein(蛋白质)and complex carbs (复合碳水化合物)-eggs and wheat bread for breakfast,say,rather than sugary cereal(含糖的麦片粥)and orange juice.The biggest mistake teens make is not to have breakfast or to...
A. Clean fuel technology will be used in public transports. B. Some factories have been asked to cut production. C. Some construction sites have been told to be closed. D. A display show of airplanes has been called off. 相关知识点: 试题...