Followed with an ordinary process of preparing chrome liquor,the valonia tannin was added into the solution of the sodium dichromate and sulfuric acid.
英
美
释义
复鞣试验结果表明:该复鞣剂具有铬和栲胶复鞣的优点,成革柔软、丰满、粒面细致;
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2025 海词词典(Dict.cn)
立即下载