surface layer
surface layer — phrase
1. a layer on the outside of a material whose resistance to electric current is dif
a layer on the outside of a material whose resistance to electric current is different from the material below it
After rain, Putri blamed the wet surface layer for the strange reading.
wet surface layer affects a meter reading
The lab heated the metal until its surface layer became less conductive.
surface layer became less conductive
On old glass, a dusty surface layer can change the test result.
During cleaning, the chemical stripped away the surface layer on the stone.
Christopher checked the surface layer before drilling into the painted wall.
文法句型
a surface layer of moisture
the surface layer of the metal
measure the surface layer
用法筆記
Common in technical writing about coatings, moisture, corrosion, and testing. It often refers to the thin outer part that behaves differently from the solid material underneath.