您要查找的是不是：
- rosin ethylene glycolester 松香乙二醇酯
- rosin ethylene glycol ester 松香乙二醇酯
- Gum rosin is distilled from pine gum. 本产品由松脂蒸馏制得。
- Ethylene is a growth hormone in plants. 乙烯是植物中一种生长荷尔蒙。
- Research Survey on the Rosin of Pinus L. 天然松树脂的研究进展。
- The concentration of ethylene is on the high side. 乙烯浓度偏高。
- First statement: Ethylene glycol is sweet. 第一句：甘醇是甜的。
- Na5 Ethylene Diamine Tetra (Methylene Phos... 摘要:乙二胺四甲叉膦酸五钠 EDTMP?
- Dry rosin is best in tropic and soft rosin in cold climate. 干的松香在热带最适用，而软的松香适用于寒冷的气候。
- The world gum rosin production appeares to decline in recent years. 目前世界上脂松香生产在大多数国家出现下降趋势。
- Very high activity rosin flux used for difficult to solder metals. 用以对难以焊接金属进行焊接的极高活性松香助焊剂。
- Specifications of Gum Rosin Glyceride and Hydrogenated Ros. 松香甘油酯和氢化松香甘油酯的技术指标。
- Ballerinas coat their toe shoes with rosin to avoid onstage slips. 芭蕾舞女在她们的舞鞋脚尖端涂上松香，以避免演出时滑倒。
- The univalent chemical radical CH2CH,derived from ethylene. 乙烯基从乙烯分子中得到的一价化学基
- Shuxiang, Rosin I walked with an unforgettable childhood. 书香，松香伴我走过了难忘的童年。
- The plant can produce up to 130 tons of ethylene each month. 这家工厂每月最高能生产一百三十吨的乙烯。
- Gum rosin is a kind of natural resin with high economic value. 松香是一种具有重大经济价值的天然树脂。
- Occluded spores could not be inactivated with ethylene oxide. 封闭的孢子不能被环氧乙烷灭活。
- The univalent chemical radical CH2CH, derived from ethylene. 乙烯基从乙烯分子中得到的一价化学基CH2CH
- Such reactions to ethylene are consistent with ancient reports. 这些乙烯导致的反应和古人的报告一致。
