Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/3362ebb5a204c7d62958676fdf2cb8c9.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 chrome-free tanning agent是什么意思，chrome-free tanning agent的翻译，chrome-free tanning agent音标、读音、用法和例句_果味酸柯林斯词典
In addition, chromium resource in China is very limit, so the research of chrome-free and less-chrome tanning agent are very imperative. 此外我國的鉻資源也極爲有限，因此研究少鉻和無鉻鞣劑勢在必行。