Objective To study the disinfectant method for respirator tubes by automatic washing machine and to evaluate the guarantee time of sterile preservation.
目的掌握全自动清洗机对呼吸机管路消毒的方法，并讨论其无菌保存有效期。
You must pay for this reparation due to the expiration of guarantee time.
您报的维修超过保修期，再修就要缴纳费用。
You must pay for this reparation due to the expiration of guarantee time.
您报的维修超过保修期，再修就要缴纳费用。
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