attenuation oxygen
衰减的氧气
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Results showed that the jet flow length, concentration and anti-attenuation of coherent jet oxygen lance were better than that of common oxygen lance.
结果表明，集束射流氧枪比普通超音速氧枪射流长，射流集中、衰减慢。
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