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音障
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音障sonic barrier sound barrier 音障yīnzhàng[sonic barrier] 飞机速度接近音速时,气动阻力突然大增的现象,但现在已经不是进入超音速飞行的不可逾越的障碍了
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ethyl mercaptan
ethylmercuric chloride
ethylmercuric hydroxide
ethylmercuric phosphate
ethyl mercury
ethylmercury hydrogen phosphate
ethyl methanesulfonate
ethyl methyl acetic acid
ethyl methyl ether
ethylmethylthiambutene
ethyl metrhacrylate
ethyl monochloracetate
ethyl monochloroacetate
ethylmorphine
ethyl morphine
ethylmorphine hydrochloride
ethyl mustard oil
ethyl n-amyl ether
ethyl n-amylketone
ethyl nitrate
ethyl nitrite
ethyl nitrite spirit
ethyl nitrobenzoate
ethyl nitrolic acid
ethylnitrosourea
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更新时间:2026/6/9 0:53:47