单词	digger plough
释义	digger plough 开沟犁
随便看	rotary pendulum rotary penetration rotary percussion drill rotary-percussion drill rotary percussion drill bit rotary percussion drill bit deep drilling rotary percussion drilling rotary percussion drilling machine rotary-percussion drilling rig rotary percussion drill jumbo rotary-percussion drill jumbo rotary percussive drill rotary-percussive drill rotary percussive drilling rotary phase advancer rotary phase changer rotary phase converter rotary phase modifier rotary phase shifter rotary phone rotary phones rotary photogravure press rotary phytotron rotary pickup rotary piercing