并联电阻系数 parallel resistance: 并联电阻resistance in parallel: 并联电阻resistance of parallel: 并联电阻coefficient of resistance: 安全系数; 阻力系数电阻系数resistance coefficient: 电阻系数; 阻抗系数; 阻力系数下载手机词典可随时随地查词查翻译