1、 The research and production O - isopropylphenol , application O - isopropylphe - nol and 2, 6 - diisopropylphenol domestically and abroad were introduced.
介绍了邻异丙基酚国内外研制、生产和应用情况,以及2, 6- 二异丙基酚的用途.
来源:互联网
2、 The system is nol only used for training, but also for operation instruction.
仿真系统既可用于培训, 还可以用于运行指导.
来源:互联网
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