常見例句Short carbon fiber reinforced copper-graphite composite materials was studied based on advanced pantagraph slider as its application background. 摘要以高性能受電弓滑板為應(yīng)用前景,研究了短炭纖維對銅-石墨復(fù)合材料沖擊性能的影響。pantagraph collector 縮放收集器pantagraph grease 縮放機脂油pantagraph current quality 受流質(zhì)量pantagraph engraving machine 縮放儀刻模銑床 返回 pantagraph