单词	次切线--次切距
释义	次切线；次切距subtangent
随便看	manual override shut-down manual override switch manual override system manual oxygen cutting manual page manual pagination manual part programming manual perforated card manual polarograph manual position manual position mode manual program manual programming manual pull station manual pump manual pump; hand pump manual radar-reconnaissance exploitation system manual radar-reconnaissance exploitation system (marres) manual rate manual rate-aided tracking manual read manual reaper manual recalculation manual reconfiguration manual record locking