All these requirements order operation switch, valves, and corresponding control frequency converter to complete.
所有这些要求顺序操作相应开关、阀门和控制变频器来完成。
Hence, it is important to monitor closely dangerous factors during operation and switch to surgery treatment in time, in order to improve the recovery rate of patient infected NEC.
因此密切观察手术高危因素并及时转入行外科治疗，提高NEC患儿的治愈率。
Hence, it is important to monitor closely dangerous factors during operation and switch to surgery treatment in time, in order to improve the recovery rate of patient infected NEC.
因此密切观察手术高危因素并及时转入行外科治疗，提高NEC患儿的治愈率。
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