The speed ratio is 100, the speed ratio is 112, the speed ratio is 125, the speed ratio is 140, the speed ratio is 160, the speed ratio is 180, the speed ratio is 200, the speed ratio is 224, the speed ratio is 250, the speed ratio is 280
tooth surface hardness:
Hard tooth surface
layout form:
coaxial
series:
level 4
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Items weight estimation 0 g, subject to actual weight
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