protective membrane
protective membrane
[动物学英汉词典]
protective membrane保护膜
是什么意思,protective membrane的解释,protective membrane的翻译
[农牧林英汉词典] protective membrane
protective membrane
[动物学英汉词典]
protective membrane是什么意思,protective membrane的解释,protective membrane的翻译
[农牧林英汉词典] protective membrane