词汇	机械记录图
释义	机械记录图医mechanogram
随便看	Permanent Undersecretary permanent unit code permanent universal joint permanent UN representative permanent urban residence certificate permanent user file permanent vacuum permanent value permanent variable permanent vegetable permanent vegetation permanent vegetation cover Permanent Vegetative State Permanent Vegetative States permanent ventilation of railway tunnel permanent ventilation of tunnel permanent violet permanent virtual call permanent virtual calling Permanent Virtual Channel permanent virtual circuit permanent virtual circuit, PVC permanent virtual connection permanent virtual memory permanent virtual path connection