toughened filter paper韧性: tenacity滤纸: filter paper定性滤纸: qualitative filter paper碱性滤纸法: alkali filter paper process; alkaline filter paper methof方形定性滤纸: qualitative grade rectangular filter sheets下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:韧性滤纸,即可在微信中查询翻译