2) furrowing and ridging
开沟起垄
3) make furrows
开垄沟
4) furrow-ridge-opener
起垄开沟器
1.
In this paper,the structure and main parameters of furrow-ridge-opener are analyzed.
起垄开沟器是灌水沟播机的主要工作部件，它需同时完成起垄、开沟、灌水、施肥等多项工作。
5) monopoly by the developers
开发商垄断
1.
The only way for solving the problems of providing housing for the majority is to break down the monopoly by the developers while there is also rooms for government to give tax and charge rates on land and housing.
中国房价高的根本原因是政策失误,导致开发商垄断住房供应,并与投资、投机相结合。
6) ridging ditch rotary cultivation
旋耕开沟起垄机
补充资料：碑垄
1.坟茔及茔前墓碑。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条