PBT怎么记

pbt

abbr.profit before tax 纳税前利润;profit before taxation 纳税前利润;passenger boarding total (aircraft code) 旅客总数（航空代码）;performancebased teaching 演示教学法;

英文例句/中文翻译：

1、

Study on Thermal Decomposition Kinetics of PBT Flame-Retarded by Brominated Epoxy Resin Synchronized with Antimony Trioxide

溴化环氧树脂协同三氧化二锑阻燃PBT热分解动力学研究

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2、

In contrast, PBT gave only one stage of degradation as a first order reaction.

而PBT的降解失重过程仅为一个阶段，为一级反应。

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3、

The environmental glass reinforced flame retardant PBT was prepared.

研制了环保阻燃增强聚对苯二甲酸丁二酯（PBT）。

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