The vane, manufactured with the inner core coated with sols formulated with the outside lay material, could completely meet the requirement of the big-wind-power and high-wind...

• 将外层材料配制成溶胶涂覆于内芯上制作的尼龙叶片,完全能满足煤矿大风量、高风压抽出式局部通风机的需要。