They have gaps in them where they cross little natural drainage channels and the lines themselves are not perfectly filled in, with lots of little streaks and uneven coverage.

他说：“网格中有一些间隙，在这些间隙里交叉着很小的自然排水渠道，而这些线条本身却没有完全被充填，有着许多小的条纹和不均匀的覆盖范围。”

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The arable land not suitable for farming, irrigation, and drainage.

一耕地丘形不适于农事工作或不利于灌溉、排水者。

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Top dressing, adding soil and sand that trickle through grass and ground cover plants is not just necessary for proper drainage, but for plant and grass health.

追肥，增加土壤和沙，通过种草，地面覆盖植物涓滴不只是适当的排水必要的，但工厂和基层健康。

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The council said water and drainage were not its responsibility, but the regeneration of the east end was being held up by a lack of capacity.

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South Cambridgeshire District Council said work would not begin until it was satisfied drainage and potential traffic congestion concerns were met.

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But Mr Mustow admitted that much more needed to be done to ensure that farmers did not increase flood risk with land drainage schemes and that developers and builders ensured that new developments allowed water to drain into the soil rather than flushing into the sewers.

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