Overlap the slices carefully so there are no gaps.

把薄片小心地叠放在一起，那样就没有间隙。

《柯林斯英汉双解大词典》

You have a surface and there is somehow no gaps in it.

你有一个曲面，上面没有缝隙。

youdao

It follows that the whole world is what we call a plenum, there is no gaps.

我们身处的世界就好比是一个高压舱，没有任何空隙。

youdao

"The talk issue is not going to be anything serious, other than buying time for both the Iranian regime and the Iranian opposition, because as far as the Iranian regime is concerned, no steps are being taken in the direction of bridging the gaps with the opposition anymore,".

VOA: standard.2009.10.12

And the jet black front display flows smoothly into the body for a seamless look with no gaps.

ENGADGET: LG Optimus G revealed: 1.5GHz quad-core CPU, ICS, LTE, 4.7-inch screen with in-cell touch

Escher and his use of tessellation which uses a two-dimensional plane with a repeating geometric shape with no overlaps and no gaps.

FORBES: Vacheron Constantin Unveils Timepieces for U.S. Watch and Art Lovers

He says there seem to be no glaring gaps in the current surveillance program.

CNN: USDA: American burgers still safe