arc measurement
弧度测量
热门单词
- back cushion
- back cut
- back cut-off power recorder
- back cutting
- back cylinder cover
- back digger
- back diode
- back discharge
- back cylinder head
- back dead centre
- back diffusion
- back door
- back dividend
- back door interference
- back drain (堤或墙的)
- back draught
- back drop
- back draft
- back drilling attachment
- back duty
- back dynamometer
