The pore size affect the protective coating ability.

孔隙大小影响镀层的防护能力。

Protective coating is one of the most effectivemethods to solve this problem.

涂层保护技术是解决这一问题的有效方法之一。

The protective coating of buried steel pipelines plays a main role in anticorrosion.

外覆盖层在埋地钢质管道的防护中起着主要作用。

The environmental adaptability of protective coating and plating in such environment was discussed.

探讨了保护性涂、镀层在这类环境中的适应性。

These form a protective coating over the yarns and keep them from chafing or breaking during weaving.

通过上浆给纱线施加了保护层，在织造时减少了对纱线的磨擦和纱线的断头。