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special bearing
 special bearing
tech. 特殊轴承
| seal
 seal
econ. int. law. 批准; 保证
environ. 密封机
hydroel.st. 封口
interntl.trade. 印记
met. 密封装置
racing 封印
sport.

to phrases
special bearing
tech. 特殊轴承
special bearing: 2 phrases in 2 subjects
Mechanics1
Metallurgy1