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sintered antifriction materials
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sintered antifriction materials
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工学
粉末冶金材料
释
sintered antifriction materials
烧结减摩材料
用粉末冶金方法制取的具有良好自润滑性能的减摩材料。
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Wei queen of disorderly
weir
weird
weird number
Wei Ren
Weir flow
weir for boats crossing over
Wei Rongjue
Wei Rongyuan
weirs and dams in ancient China
weirs and flumes for flow measurement
weir-type fishway
Wei Rui
Weisberger
Weishan Hu
Weishan irrigation district
Weishan pottery figurines
Weishan Scenic and Historic Area
Weishan Xian
Weishan Yizu Huizu Zizhixian
Weishi Xian
Weishi Zhuangyuan
Wei Shou
Wei Shoukun
Wei Shouzhong
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