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转速比 zhuànsùbǐ
mech.eng. gear ratio
space rotate speed ratio
tech. ratio of transmission; reduction rate; speed ratio; transmission ratio; rotation speed ratio
water.res. speed ration
转 速比
: 39 phrases in 8 subjects
Automobiles3
Aviation3
Drilling1
Electric machinery8
Electronics1
Hydroelectric power stations5
Space4
Technology14

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