Dab tsi yog Backhoe Excavator

Lub backhoe excavator yog ib qho ntawm peb cov khoom siv excavation feem ntau. Nws yog tsuas yog siv rau excavation ntawm lub hauv paus pits (troughs) los yog cov yeeb nkab trenches, ywj siab foundation pits thiab slopes hauv qab no ua hauj lwm nto; ncaj thiab nkhaus excavation, Khaws ib lub kaum sab xis ntawm excavation, ultra-dub trench excavation thiab trench slope excavation, thiab lwm yam.