鹤嘴锄，丁字镐一种鹤嘴锄，尤指一头尖而另一头有可割断根的凿边 A pick, especially with one end of the head pointed and the other end with a chisel edge for cutting through roots.
今天我们用这辆掘土机干的活，相当于12个用镐和铲干活的人劳动3个月。 It would have taken a dozen men with picks and shovels three months to do what we've done today, with this earth-moving machine.
我们今天用小型挖土机所干的活，若是用镐和铲子，十几个人得花四个月才能完成。 It would have taken a dozen men with picks and shovels four months to do what we've done today, with this comparatively small earth-moving machine.