求翻译：木軸中混有之前未改善的軸子，IQC進料檢驗抽檢沒發現，在生產使用時操作員未一個個確認，導致有些木軸螺絲還是使用改善前的螺母及未點膠的木軸未能發現。經使用后存在品質隱患.是什么意思？

Mixed with wood shaft before axion unimproved , IQC IQC sampling did not find , in the production and use of the operator is not a confirmation , resulting in some wood screws or using an improved front axle nuts and not dispensing wooden shaft is not

Before the wooden axis mixes, the axle that has not improved, the IQC feeding examination spot-check had not discovered that operator confirmations when the production use, not having caused some wooden axis screws to use the nut before improvement and has not selected the rubber the wooden axis una

In before the wooden axis mixes has the improvement axle, the IQC feeding examination spot-check had not discovered, when production use an operator each one confirmation, has not caused somewhat wooden axis screw to use before the improvement the nut and has not selected the rubber the wooden axis

Mixed with a wooden shaft does not improve before the Axion, IQC IQC inspection did not find, when used in a production operator was not a confirmed, resulting in some of the wooden shaft screws were used to improve the nut before and not dispensing spool not found. After the use of quality problems

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