在水上

The decanting weir tank is equipped with two floaters,so that it can float on water and fluctuate with the change of water level in SBR.

滗水堰槽上安装有2个浮子，使其漂浮在水上，并随SBR池内水位变化而上下移动。

The second party demurs: A ship is a sufficiently large vessel that floats on water and the rowboat is not sufficiently large.

第二个不太同意：船是漂在水上的足够大的容器。

In disassembling vessels, the disassembled parts must not be discarded into the sea.

第三十六条在水上进行拆船的，拆除的物件不得投弃入海。

They glided the boat over the water.

他们使船在水上滑行。

I think my favorite is kiting on the water.

我想我最喜欢在水上滑行。

In the early 1800s, Swedish and German gymnasts practiced their somersaults and twists over water.

十九世纪初期，瑞典和德国的体操运动员在水上练习翻滚以及转体。

You will go, we will go together,over the waters of time.

你将去，我们就一起去，完成在水上的时间。

How do the leaves of a waterlily float?

荷花的叶子怎么在水上漂浮？

Tests of unbelted dummies at various impact speeds .

以高速度在水上滑行的摩托艇。

A swimmer with a snorkel can still breathe, but notice that snorkelers float right on the top. Were they to try sinking underneath, even a moderate amount, the same thing would happen.

一个游泳的人带着通气管仍然可以呼吸，但是需要注意这个通气管必须浮在水上，他们尝试沉入水下，甚至是适当很深的水，相同的事情将会发生。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。