[铁路] 牵引粘着系数 adhesion traction: 粘附牵引adhesion coefficient: 附着系数; 粘附系数; 粘着系数; 黏著系数coefficient of adhesion: 附着系数; 粘附系数; 粘著系数; 粘着系数coefficient of traction: 牵引系数traction coefficient: 牵引系数下载手机词典可随时随地查词查翻译