effective constituent
effective constituent
[新英汉石油技术词典]
effective constituent有效成分
是什么意思，effective constituent的解释，effective constituent的翻译
[药学英汉词典] effective constituent
effective constituent
[新英汉石油技术词典]
effective constituent是什么意思，effective constituent的解释，effective constituent的翻译
[药学英汉词典] effective constituent