挖掘機(jī)操作涉及許多專業(yè)術(shù)語，了解這些術(shù)語有助于有效溝通和理解機(jī)器的功能。挖掘機(jī)常用的專用英語詞匯包括臂、鏟斗、液壓系統(tǒng)、履帶、駕駛室和發(fā)動(dòng)機(jī)。臂是挖掘機(jī)伸出去以達(dá)到物體的部分。鏟斗是臂末端的附件，用于挖掘和舀取。液壓系統(tǒng)驅(qū)動(dòng)臂和鏟斗的運(yùn)動(dòng)。履帶是挖掘機(jī)移動(dòng)的軌跡。駕駛室是操作員坐的封閉艙室。發(fā)動(dòng)機(jī)是挖掘機(jī)操作的動(dòng)力源。

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