表面光滑度 meaning in English

surface flatness

There are some established methods for assessing skin surface
科学家们已经建立了几种检测皮肤皱纹、评价皮肤表面光滑度的方法。
Aerosol dispensers . containers with a 25 , 4 mm opening . measurement of the neck parallelism and surface eveness
烟雾发生器. mm孔径容器.颈部平行度和表面光滑度的测定
Shape of grinded - stons is decided by the angle and shape of spare parts grinded - stone choice depends on ma - terials and gloss requested
依零件之材质及表面光滑度之要求，而选择研磨石之材质。
The interior dimensions of silver brazing valve sockets are machined to the closest tolerances and finished smooth to promote full capillary attraction
银钎焊的阀门套管的内部直径的机械公差和表面光滑度要求非常精确，以确保有足够的附着力。