field-drain pipe 工地排水管
field drain spacing 田间排水沟间距
drain the field 排去田中的水
drain water from field 把田里的水排掉
field displacement drain 田间排水沟
main drain field 主磁场
drain flooded field [农工] 排涝
main drain field circuit 主磁场回路
N an underground earthenware pipe used for draining fields 田间排水支沟
In this paper, a simplified iterative arithmetic to calculate spacing of field drain is developed.
本文主要讨论控制地下水位的田间排水沟的间距计算方法。
Until the Glazers' drain on our finances is removed, we will never be able to compete on a level playing field with the best in the world.
直到格莱泽家族对我们的财政负债还清时，我们将永远无法与世界上最好的球队竞争。
The waste management system is comprised of a solid waste separator, septic tank and drain field.
粪污处理系统由固液分离机、化粪池和沥滤场组成。
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