exposed surface造句

In the pumping process, if water levels continue to decline, we should pay attention not to let the exposed surface of the water running submersible pump.

The exposed surface layer of this product is not tacky, so it can be used on floors to avoid possible trip hazards, and on walls or windows that will be cleaned or wiped in between peeling layers.

Methanol sorption data showed that, near the exposed surfaces, the pore structure was markedly coarser and the diffusion time lower.

They offer good corrosion resistance, with an aluminium body a black oxide finish on the exposed surfaces to resist corrosion.