improvement of operation method 手术方法的改进
Conclusions Through the improvement of operation and the method of drainage, we can shorten the operating time, reduce the hemorrhage and injury, and prevent operating complication.
结论：通过改进手术和引流方法，可缩短手术时间，减少出血及损伤，预防手术并发症。
The problems on the operation of the primary cooler with mixed oil are explicated, the method of improvement and practice effect are described.
文中阐述了初冷用混配油操作中存在的问题，介绍了改进方法及实践效果。
This article, having analysed the upward cause of converter bottom, proposes the improvement measure through optimizing equipment parameter and operation method.
针对转炉炉底上涨的原因进行了分析，从优化设备参数、操作等方面提出改进措施。
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