Piston in the engine is usually made up of steel but some other major parts of the airplane is made up of aluminum alloys. Jet engines are built up of aluminum, steel and titanium alloys. An engineer always looks up for the appropriate metal and alloy to be used in the aircraft according...
5. You must not look only at the s___ of things. 四、句型转换。 1. The students clean the windows every day.(改为被动语态) The windows ___ ___ ___ the students every day. 2. My pen is made of metal.(对划线部分提问) ___ ___ your pen ___ of? 3. His mother...
Why not use forks and knives In our mind,forks and knives are made of metal(金属). They are more similar to weapons. How could dangerous weapons be used on the eating tables And can you imagine how terrible it is to use forks and knives while we are taking food out of the hot pot ...
Unit-5Whataretheshirtsmadeof?SectionA 1a—2d isknown1)TheGreatWall___(know)allovertheworld.2)Thestudents___(tell)toareoften___toldtakecareoftheirdesksandchairs.areused3)Planes,carsandtrains___(use)bybussinesspeoplefortravelling.iswidely4)Englishisverypopular.It___used(use)inmanyfields....
The shirts are made of cotton and they are madein Korea.2. The chopsticks are made of silver and they aremade in Thailand.3. The watches are made of steel and they are madein Shanghai.4. The model planes are made of wood and glassand they are made in China.5. The rings are ...
which has evolved over the centuries independently of any western tradition. While the planes of both traditions are similar in design and function, the technique employed is different: in the Western tradition, the blade faces away from the woodworker and the cut is made when the plane is push...
while it would be easy to build a transistor circuit with switchable conductors that would change from being conducting to insulating as well as the presence or absence of a metal layer would do this, or through blowing a fuse, as done with programmable but not erasable read-only memories, ...
“live the dream”—David Blackburn is building it. For 15 years, he has been working as a metalworker by day and as a welder by night and at the weekend. With his one-man company Blackburn Fabrication in Columbus, Ohio, he repairs everything from exhaust manifolds for planes through to...
a movement in 20th-century painting in which several planes of an object in the form of cubes or other solids are presented in an arbitrary arrangement using a narrow range of colors or monochrome. —Cubist,n. —Cubistic,adj. culturist ...
The atoms are arranged in perpendicular rows and grids, unlike plastics. The natural tendency of metals to form lattice structures is both beneficial and a hindrance, affording them strength, but only in certain planes. Alloying a metal (along with other benefits such as oxidation resistance) ...