单词	变换齿轮比
释义	变换齿轮比change gear ratios
随便看	telephone exchange telephone exchanger telephone exchanges telephone extension telephone frequency telephone hand set telephone handset telephone harmonic factor telephone harmonic factor test for generator voltage telephone helpline telephone hook telephone hybird coil telephone in telephone induction coil telephone influence factor telephone information briefing service telephone information briefing service (tibs) telephone instruction telephone interface unit telephone interference telephone interview telephone interview survey telephone jack telephone jacks telephone key