Sedimentary soil shall be cleared when reaching 50% of the capacity. Sedimentation tank shall be cleaned or sand therein shall be replaced in case of drainage difficulty.

当沉积土达容量的50％时，清理沉积泥土；当沉淀池排水不畅时，清理或替换砂砾；

youdao

It also damages the layers of sand and clay that make up aquifers, thereby reducing their capacity to be replenished.

这种做法也对组成含水层的沙土造成损害，使它的储水量减少。

youdao

Processing capacity will decrease with imported sand temperature increase.

处理量随着进口砂温的增高而降低。

youdao

The failures of recent years have left me angrier than ever with that system, its adults-first priorities, its obduracy, inertia and greed, as well as its capacity to throw sand into the gears of every effort to set it right.

FORBES: Magazine Article

Restoring the water-retaining capacity of hydro-electric dams by regular dredging and sand and silt removal is the only way left before the authorities.

FORBES: What Investors Need To Know About Clean Tech In India