erf的英语例句
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New route to advanced Boeing 747 - 400 ERF Extended Range Freighter operation.
新航线会以先进的波音747-400ERF延程货机运作.
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... > years as follows: C _ 2 H _ 2→ ETR → CTR → EIN 2→ EIN 3→ ERF → ethylene response.
... 途径模型: C_2H_2→ETR→CTR→EIN2→EIN3→ERF→ 乙烯反应.
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The study on design of ERF damper under the big impact has the vital significance.
研究用于数控机床实时减振系统所需的电流变液阻尼器.
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