非接触性常温伤口治疗对3级和4级褥疮治是有成本效果的吗？
Is Noncontact Normothermic Wound Therapy Cost Effective for the Treatment of Stages3 and4 Pressure Ulcers?
实践证明钻孔充填压浆法对采空区的治理具有成本低，设备简单，技术可靠，效果明显，有进一步推广的意义。
The practice demonstrated that the method has characteristics of low cost, simple equipment, reliable technique, obvious effect and popularization significance.
该法具有成本低、操作简便、处理效果好的优点。
This method is cheap in cost, easy in operation, remarkable in tr…
本发明工 艺制备的低羟基含量玻璃，具有成本低廉、简单易行、除水效果显著等特点。
Glass with low hydroxyl group content prepared by the technology of the invention has the advantages of low costs, simplicity and easy operation, prominent de-watering effects and the like.
本发明工 艺制备的低羟基含量玻璃，具有成本低廉、简单易行、除水效果显著等特点。
Glass with low hydroxyl group content prepared by the technology of the invention has the advantages of low costs, simplicity and easy operation, prominent de-watering effects and the like.
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