土地的所有者则会捐赠一些他们的劳力，因为这一工程带来的地下水位上升对他们的农田有益。

Landowners, whose fields will benefit from the resulting rise in the water table, donate some of their labor.

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该工程计划在海床上建78个钢板，当水位超出警戒线1.1米以上时，挡板就会被启动。

Under the scheme, 78 steel panels will lie on the seabed until activated when high tide is more than 1.1 metres above normal.

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精测细量：有了工程师们对月相和潮汐状况的严密检测，才能确保客轮在水位足够的条件下顺利通过。

Precise measurements: Engineers had to monitor moon and tidal conditions to ensure exactly when the depth of the river would enable smooth passage.

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