单词	j-hook headgear
释义	j-hook headgear J形钩
随便看	Constant Security Surveillance constant selection pressure constant series constant service contours constant service time constant setpoint analyze constant setpoint control constant setpoint regulation constants of integration constants of physics constants of plate constants of proportionality constants of the line constant solar constant solution constant something constant sound pressure level constant source constant-source constant spaced font constant spacing constant species constant specification constant specific heat constant specific mass flow