The efficient-cone type floating valve with unchanged overall dimensions and superior adaptability to the F1 floating valve was introduced.

介绍了一种外形尺寸不变而综合性能优于F1俘阀的高效锥型浮阀。

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Inertia cone crusher is a new type high efficient equipment for fine crushing which is developed by the former Soviet union through over 40 years' effort.

惯性圆锥破碎机是前苏联经40多年努力研究成功的新型高效细碎设备。

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