AN ENTERPRISE THAT HAS MASTERED THE GOLDEN TOUCH──Heilongjiang Zhong chao Nano Industrial Co., Ltd |
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摘 要: | THERE is a kind ofceramic bearingsthat can endurevery low temperatures (-260℃)and very hightemperatures ( 600℃), strongacid, strong alkali, and workingconditions of 50,000 revolutionsper second, and their life span ismuch longer than that of metallicbearings. Why? because thesebearings use Nano compositematerial (l Nano =1 / l,000,000,000 millimeter).Bricks were used to buildhouses, and then the bricks werereplaced by reinforced concrete,which was then replaced byhigh-tech fibers (includin…
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