结果①清洗前胃镜污染情况严重，细菌培养阳性为：操作部115例（95.8%），镜身、钳道120例（100%）；

Results Specimens collected from 115 (95.8%) on operating part and 120(100%) on endoscopic surface and biopsy channel were positive in culture before cleaning.

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安装蹄片上部和下部返回弹簧。使用针针嘴钳连接弹簧至每个蹄片。操作拉杆确认蹄片放开和收回正确。

Install shoe upper and lower return sprinNeedle nose pliers can be used to connect spring to each shoOperate lever to verify that shoes expand and retract properly.

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分析了造成大吨位操作机钳臂断裂的原因。

The reason why the tong arm of the manipulator with large tonnage breaks has been analyzed.

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