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dual ratio
 dual-ratio
auto. 双 传动比 的; 双速比的
| reduction
 reduction
gen. 削减
math. 通分; 归约
met. 降低; 折合
tech. 减少; 还原
wind. 下降

to phrases
dual-ratio
auto. 传动系统/变速器高/低传动比区间; 双速比的
dual ratio: 12 phrases in 6 subjects
Automobiles3
Construction1
Electric machinery1
Oil / petroleum2
Technology4
Telecommunications1