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to phrases
driving pinion
auto. 动齿轮; 差速器行星齿轮
met. 主动小齿轮
tech. 传动小齿轮; 齿轨机车主动小齿轮
telecom. 驱动小齿轮
driving pinion: 8 phrases in 2 subjects
Automobiles3
Technology5