variable zone
短语词组
- variable switching zone 可变开关区
- variable e zone 温带
- Variable Dead zone Compensating Control 变死区补偿
- temperate zone variable zone 温带
- variable zone of subsurface temperature 变温层
- variable composi -tion zone 变异成分层
- zone of variable wind 不定风带;变风带 返回 variable zone