词汇	开推土机
释义	开推土机 To operate a bulldozer.
随便看	variable costs variable coupler variable coupling variable coupling coil variable coupling intervals variable critical values variable cross section variable cutoff digital filter variable cycle variable cycle engine variable cross-section variable cross-sectional bar variable cross-sectional channel Variable Cross Section Bar variable cross section beam variable cross-section beam variable cross-section box column variable cross-section cantilever beam Variable cross-section cavity variable cross section conveyor belt variable cross section cycloid gear variable cross-section hinged door frame variable cross-section member variable cross-section of cantilever variable cross section of rods