crawler bulldozer造句
ThepaperanalysesthestructuralloadsofworkingdeviceforDFH-70Tcrawlerbulldozer.Theutilitymodeldisclosesabulldozingandrippingdeviceforcrawlerbulldozers....
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bulldozer造句
Thebulldozerrolled.Abulldozerbroadenedthegaps.Theyneededabulldozertodislodgetherock.Whatisthedistinguishingfeatureofthebulldozer?Ican'trunabulldozerthroughmylifejustbecauseIwanttobulldozeyours.Hisdau...