结晶组织较细的镀层，其防护性能和外观质量都较理想。

Crystallization organization fine plating, its protective performance and appearance quality is more ideal.

youdao

结晶组织较细的镀层，其防护性能和外观质量都较理想。

Crystallization organization fine plating, its protective performance and appearance quality is more ideal.

youdao