Is the world's biggest maker of networking gear spreading itself too thinly?
这家世界最大的网络设备制造商是否扩张过度？
All of these provide the reliable basis for spreading and applying the transmission of steel worm - gear.
为钢蜗轮传动的推广与应用提供了可靠的依据。
The spreading rollers are driven by gear, giving good stability and enjoys long life.
辊间差采用齿轮传动，无传动误差，控制胶量方便，使用寿命长；
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