n.比例绘图器(导电弓)
Short carbon fiber reinforced copper-graphite composite materials was studied based on advanced pantagraph slider as its application background. 摘要以高性能受电弓滑板为应用前景，研究了短炭纤维对铜-石墨复合材料冲击性能的影响。
pantagraph collector 缩放收集器
pantagraph grease 缩放机脂油
