金属疲劳金屬疲勞

jīn shǔ pí láo

Meaning

metal fatigue

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Characters

金jīngold, metal; money人王丷属shǔclass, category, type; family; affiliated, belonging to尸禹疲píweak, tired, exhausted疒皮劳láoto labor, to toil; to do manual work艹冖力