Endocrine factor of the liquid medium is usually solid impurities contained in the sealing surface damage caused by failure.
内分泌一般是因数液体介质中含有固体杂质破坏密封面引起失效。
Endocrine factor of the liquid medium is usually solid impurities contained in the sealing surface damage caused by failure.
内分泌一般是因数液体介质中含有固体杂质破坏密封面引起失效。
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