请问phenolic or Bakelite plastic分别是指什么材料啊?有谁知道,烦请告之,

请问phenolic or Bakelite plastic分别是指什么材料啊?有谁知道,烦请告之, 看看这句英语有没有错These active phenoxy radicals can trigger off phenolic substrates degradation or polymerization,主要是phenolic substrates degradation or polymerization这个短语有没有用错.These active phenoxy radicals can trig paper phenolic laminate是什么材料 请帮分析这个英语句子The effects of B on phenolic metabolism have been proposed to be indirect,due to its structural role inthe plant cell wall or cell membrane rather than its primary role in regulation of phenolic metabolism bynon-specific 请问staff up or Phenolic Molding Compound (PMC)是什么材料,有哪些特点?希望详细一点, 计算机的逻辑运算请问“或”（or）这种情况0 or 00 or 11 or 01 or 1分别等于多少 请问英语中,yes or no 请问 sare or use tax credit 请问是under discussion or in discussion? or or Mr.Right or Mr.Wrong 请问这个中文是什么?Mr.Right or Mr.Wrong 请问trick or treat 和trick or tread 有什么区别 请问defeat表示victory over someone or something, 请问 硬脂酸钠 是酸性or 碱性? Mr.Right or Mr.Wrong 请问这个中文是什么意思? 请问,wynn or wynne 都读when吗?