单词	hardened zone
释义	hardened zone 硬化区
随便看	variable overhead price variance variable overhead quantity variance variable overhead rate variable overhead spending variance variable overhead variance variable oxygen concentration Variable Oystercatcher variable pacemaker variable pacer clock variable packets model variable pad variable painting variable palmoplantar keratoderma variable paper speed recorder variable-paper-speed recorder variable parameter vari-able parameter variableparameter channel variable parameter channel variable-parameter channel variable parameter control variable parameter model variable parameter operation variable parameter PI variable parameter PID