...心 关键词 光电 多点连续 磁球 CCD 测斜仪 [gap=416]Key words photoelectricity， multiple point successive， magnetic ball， CCD， surveying instrument ...
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采用微悬浮聚合制备了聚苯乙烯磁性微球（简称磁球）。
Polystyrene magnetic microspheres were synthesized by microsuspension polymerization.
该组合包括1草皮工具，一顶帽子剪辑和2磁球制造商，使其成为你生命中狂热的高尔夫爱好者的完美礼物。
The combo includes 1 divot tool, 1 hat clip and 2 magnetic ball makers, making it the perfect gift for the avid golfer in your life.
研究了氮气磨矿环境下不同的磨矿介质(钢罐瓷球、铁罐铁球)对磁黄铁矿浮选的影响。
Study was made on the effect of the various kinds of grinding media (steel jar and porcelain ball or iron jar and iron ball) on the flotation of pyrrhotite grinded in a nitrogen environment.
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