drainage hole造句怎么写

In this paper, we deduced the formula for the length calculation of drainage hole in which the water could not be frozen through perennial soil.

Storage containers should have LIDS and drainage holes in the bottom.

The result shows that the drainage curtain is of high drainability under smooth drainage condition, and that the variation of the spacing between drainage holes within a certain range is of little influence on the water head distribution of the seepage field.

After dam foundation grouting treatment, the drainage holes still have water flowing out with educt.

Simply use a piece of screen wire to cover the drainage hole.

The towels came out moist, especially at the zipper sections and on the bottom because of the drainage holes.