词组搭配
开沟播种机
lister-planter
开沟铲
furrowing blade; furrower
开沟法
{工} guttering
开沟机
ditching machine; trench digger
开沟犁
{农} digger [gutter-] plough; ditch(ing) plow; gripping plough; gutter plow; mole plow
开沟犁体
furrow bottom; furrowing body
开沟铺管机
pipe-laying trencher
开沟作垄器
pipe-laying trencher