求翻译：检验:用外观检查和测量方法,检查防蚀衬套和滑动环的磨损程度, 检查端面磨擦片及座的磨耗程度,检验橡皮环的老化磨损程度等。是什么意思？

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Test: Used for surface inspection and measurement method, check corrosion-resistant lining and sliding ring, check the degree of wear and friction block face wear rubber ring testing, degree of aging such as degree of wear.

Examination: With the viewing test and the measuring technique, the inspection corrosion prevention bushing and the glide link attrition degree, inspects the end surface friction piece and the place rate of wear, examines the rubber ring the aged attrition degree and so on.

Testing: Visual inspection and measurement methods, check the wear degree of corrosion-resistant bushes and slip rings, check end-face friction and the degree of wear, test aging degree of wear of rubber rings.

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