If the surface is smooth and there is no crack is no blisters on it, usually the painting is good.
如果表面光滑,无裂纹,不起跑,一般说是好的。但必需得到检讨人员或船东的允许。
The blades treated with optimum shot peeningpaint routine are fitted in a trial run engine. After the trial running, there is no crack found on the blades.
对防护工艺优化后的叶片进行装机试车考核,考核通过后在叶片上未发现裂纹。
For areas outside the visible range, it is acceptable if there is no crack, scratch, or foreign objects that can greatly affect the electric performance of this product.
产品可视范围外若有裂缝,刮伤,异物等外观不良,不影响产品电气特性的,也可接受。
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