Englishfor

ConstructionMachinery工程機械運用技術專業國家級教學資源庫Components02Productiveprocess03Function01Unit14AsphaltMixturePavers瀝青混凝土攤鋪機Part1NewWordsNewWords&Expressions1）vibrator[va?'bre?t?]n.振動器2）crowning['kra?n??]n.路拱3）screedplate熨平板4）screedunit熨平裝置5）deliverytruck運料卡車6）convey[k?n've?]vt.輸送，傳遞7）automaticlevel自動水準儀8）dependupon依賴，取決于9）sidearm牽引臂Part2TextTextComponentsAcrawler-mountedself-poweredasphaltpaverisshowninFig.14-1.TextFig.14-1crawler-mountedasphaltpaveroperator'scabinhopperdragconveyerpushrollerrunninggearsidearmenginescreedunitoperatingtable923418765TextThescreedunitequippedwithvibrator,heatingunit,crowningdeviceandscreedplateisthemostimportantpartofapaver;Itcomprisestwomainsectionstoformthebasicscreedandextensions,whicharebuiltouttotherequiredwidth.Thescreedunitmaybeequippedwitheithertampersorvibrators.TextThehopperwillholdsufficientmaterialtoenablethepavertoworkduringthechangeoverofdeliverytrucks.Thisensuresacontinuityofactionthatisessentialtoobtainasmoothmat.Thematerialisconveyedfromthebottomofhopperviaapairofflowgatestotheaugerboxwhichcanbeadjustedindependentlytoprovideclosecontroloftheflow.Text

Anasphaltpaverisusuallypoweredbyadieselengine.Toassisttheoperatortoachieveaccuracyofmatlevel,thepaverhasacompletesystemofautomaticlevelcontrol.Thequalityofthelaidmatdependstoagreatextentupontheskilloftheoperatorandtheeasewithwhichthepavercanbehandled.Part3ReferenceTranslation參考譯文組成一個履帶自行式的瀝青攤鋪機如圖14-1所示。配備振動器、加熱裝置、調拱裝置和熨平板的熨平裝置是攤鋪機最重要的部件。它包括兩個主要部分，構成基本熨平板和延伸部分，可以擴展到所需的寬度。熨平裝置上可配備振搗夯或振動器。料斗將容納足量的混合料，以使攤鋪機在供料卡車交替期間也有料攤鋪，可以保證連續施工，這對于獲得一個光滑的鋪層表面是非常重要的。參考譯文圖14-1履帶式瀝青攤鋪機操作室料斗刮板輸送機推輥行走裝置牽引臂發動機熨平裝置操作臺923418765參考譯文混合料從料斗底部通過一對料門被輸送到螺旋分料倉，可以獨立地控制螺旋以實現對料流的精確控制。通常，瀝青攤鋪機由柴