CH2 OR 通道2输入插座
CH2 INV 通道2反向
Ch2- 第2章
char ch2 首字符
CH2 Building CH2大楼
invariants for surfaces in CH2 CH2中曲面的不变量
Inhibition effect of several surfactants, and coordination inhibition effect of the surfactants and (CH2) 6n4 in hydrochloric medium were studied.
研究了几种表面活性剂在盐酸介质中的缓蚀作用以及与六次甲基胺复配时的协同缓蚀作用。
A white crystalline acid, COOH (CH2) 8cooh, used in the manufacture of certain synthetic resins and fibers, various plasticizers, and polyester rubbers.
任一种白色的晶体酸，化学式为COOH (CH2) 8cooh，用于生产某些合成胶、纤维多种增塑剂和聚脂橡胶。
When alkali cellulose is reacted with the sodium salt of chloroacetic acid, the sodium salt of the carboxymethyl ether (cellulose-O-CH2-CO2-Na +) is formed.
当碱性纤维素与盐酸的钠盐反应，羧甲基醚钠盐生成。
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