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step-up gear
auto. 加速档; 升速档换档而提高车速的档位
compr. 增速齿轮
tech. 增速传动装置; 加速齿轮
step up gear
el.mach. 增速器
wind. 增速传动装置
step-up gear
: 1 phrase in 1 subject
Electronics1

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