铜背垫 copper backing
青铜背轴承 bronze-backed bearing
背胶铜箔 Resin Coated Copper Foil ; RCC
钢背铜面垫圈 Steel-Backed Bronze-Faced Washer ; Faced Washer
区域水体铜背景值 regional background value of cu in water body
焊药铜板背衬法 flux copper backing method
背面覆铜共面 copper-backed coplanar
背胶铜箔. Resin Coated Copper Foil
钢背铜套 steel backing copper bush
采用背面覆铜共面 copper-backed coplanar
目的探讨背驼式肝移植术，解决肝豆状核变性铜代谢障碍，延长患者生存时间，改善患者的生存质量。
Objective Hepatic transplantation was performed on patients with Wilson disease to correct the disorder of copper metabolism, and to prolong lifetime and improve living quality.
她伸手欲揉发胀发痛的太阳穴，忽觉有人抓住她的手，托着她的背，将她放入铜盆里用热水清洗。
She held out her hand to knead swell to ache temple, suddenly feel someone grabbed her by the hand, lifting her back, bring her into copper bowl with hot water to clean.
介绍了机械用铜-钢背复合材料的现状，制备工艺，材料特点，以及技术经济效果。
Present situation, production process, material features, technical effect and economical benefits of coppe-steel back composite for mechanical use were presented in the paper.
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