挖沟犁 [建] mole plough ; trench plough ; ditching plough ; trenching plough

开沟犁 gutter-plough ; furrow plough

双壁开沟犁 listing plough

田鼠暗沟犁 mole plough

水下开沟犁 underwater plow

沼泽地开沟犁 wet-earth trenching plough

坡地排水沟犁 hill drainage plough

后挖型开沟犁 post-trenching plow

开沟犁体 furrowingbody

开排水沟犁 drainage plough ; draining plow