挖掘机操作涉及许多专业术语，了解这些术语有助于有效沟通和理解机器的功能。挖掘机常用的专用英语词汇包括臂、铲斗、液压系统、履带、驾驶室和发动机。臂是挖掘机伸出去以达到物体的部分。铲斗是臂末端的附件，用于挖掘和舀取。液压系统驱动臂和铲斗的运动。履带是挖掘机移动的轨迹。驾驶室是操作员坐的封闭舱室。发动机是挖掘机操作的动力源。

Whenoperatinganexcavator,itisimportanttobefamiliarwithcertainspecializedvocabularyinordertoeffectivelycommunicatewithothersandunderstandthemachine'sfunctions.SomecommonspecializedEnglishtermsrelatedtoexcavatorsincludeboom,bucket,hydraulicsystem,tracks,cab,andengine.Theboomreferstothearmoftheexcavatorthatextendsoutwardtoreachobjects.Thebucketistheattachmentattheendoftheboomusedfordiggingandscooping.Thehydraulicsystempowersthemovementoftheboomandbucket.Thetracksarethetreadsonwhichtheexcavatormoves.Thecabistheenclosedcompartmentwheretheoperatorsits.Theengineisthepowersourcefortheexcavator'soperations.