upw
- 网络超纯水;纯水系统
upw-
At present basic theory and welding criterion of UPW are defective , research on welding mechanism and melt behavior of the welding region is not enough for the difficulty in study .
由于超声波塑料焊接是涉及多学科的交叉学科，研究难度较大，目前超声波塑料焊接的焊接基础理论和工艺规范还比较欠缺，对超声波塑料焊接机理和熔接行为研究不足。
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Ultrasonic plastic welding ( UPW ) is a cost-effective , efficient and clean fusion bonding technique of TPC ( Thermal Plastic Composites ), and of great value in application .
超声波塑料焊接是一种经济、高效、环保的热塑性塑料连接新工艺，有极大的推广应用前景。