| 单词 | underdraining |
| 释义 | > as lemmasunderˈdraining underˈdraining n. ΘΚΠ the world > food and drink > farming > cultivation or tillage > preparation of land or soil > ditching or drainage > [noun] > other types of drainage > drainer drainer1611 underdraining1805 underdrainer1835 1805 R. W. Dickson Pract. Agric. I. 13 Those clayey soils where water stagnates on the surface of the ground, and..cannot be removed by the more general modes of under-draining. 1879 Harper's Mag. June 135/2 Other minor improvements have been made, such as the under-draining of a low tract. 1969 G. E. Evans Farm & Village ii. 27 This is under-draining, sometimes called thorough-draining, the technique by which a hollow drain is made under the soil into which excess water can soak and be taken off. < as lemmas |
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