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- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- manganese rosinate 松香酸锰
- Every mangan rule a shrew but he who has her. 泼妇人人都能制服;只有她的丈夫例外.
- Nicholls,Sam Hoffman,Patrick Mangan,Ann C. 副导演 Allan F.
- A black mineral consists of basic manganese oxide. 一种黑色矿物，由基性氧化锰组成。
- Gum rosin is distilled from pine gum. 本产品由松脂蒸馏制得。
- Research Survey on the Rosin of Pinus L. 天然松树脂的研究进展。
- A Novel TiO2-pillared Microporous Manganese Oxide. 刘宗怀; 唐秀花; 张成孝; 周 青.
- I have Manganese Ore 42% up Mn. Below 40% rej. 中国铁合金在线英文网信息：外商出售锰矿，
- Deposit on manganese steel possible. 可以堆焊在锰钢上。
- 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。
- As viewed from application of the technoogy of producing high-pure manganes carbonate using poor manganese, ferrisulphas and ammonium hydrogen carbonate as raw material is introduced. 本文从应用的角度出发,介绍了以贫锰矿、硫酸亚铁、碳酸氢控等为原料,生产高纯碳酸锰的方法。
- 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。
- An alloy of iron and manganese used in the production of steel. 铁锰合金一种用于生产钢的铁和锰的合金
- 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。
- Containing manganese, especially with a valence of three or six. 锰的含有锰的，尤指含有三价锰或六价锰的
- 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。
- Shuxiang, Rosin I walked with an unforgettable childhood. 书香，松香伴我走过了难忘的童年。
- Chemical analysis of manganese ores. Determination of lime. 锰矿石的化学分析。氧化钙的测定。
