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Chinese dictionary
n.service life; useful life
一些产品过了有效使用年限后是可以回收再利用的。
Some products can be recycled at the end of their useful life.
船舶的使用年限
the service life of ship
一些产品过了有效使用年限后是可以回收再利用的。
Some products can be recycled at the end of their useful life.
船舶的使用年限
the service life of ship