friction-wheel speed-changing gearing_专利英汉词典
friction-wheel speed-changing gearing
[专利英汉词典]
friction-wheel speed-changing gearing【机械工程；照明；加热；武器；爆破】
摩擦轮变速齿轮
是什么意思，friction-wheel speed-changing gearing的解释，friction-wheel speed-changing gearing的翻译
