单词	pendulum bob
释义	pendulum bob摆锤pendulum bob擺錘計量學名詞
随便看	automatic reel hub automatic reflex allowed automatic refreshing automatic regeneration automatic register automatic regulating device automatic regulating equipment automatic regulating systems automatic regulation automatic regulation valve automatic regulator automatic reinstatement automatic relay automatic relay computer automatic relay equipment automatic relay global observation system automatic relay global observation system (argos) automatic release automatic releasing hook automatic relief shading automatic relief valve automatic remote control automatic reorder automatic reorganization automatic repeat