单词	double cut plow
释义	double cut plow 双层犁
随便看	optical readout unit optical read/write head optical receiver optical receiver aperture optical receiving set optical recognition optical recognition device optical recombiner optical reconnaissance optical record optical recording optical recording media optical recording/reading heads optical recording system optical rectification optical rectumitis optical reflectivity optical reflectometer optical reflector optical refraction optical refractive index optical refractometry and reflectometry optical regeneration optical regenerative repeater optical regenerator section kkqs kkqt kkry kksbh kksj kkss kktt kkwp kkxc kkxz 油椰子油槽油槽汽车油槽船油槽车油橄榄油母页岩油毛毡油毡油气