change speed gear box 变速箱 ; 变速齿轮箱
variable speed gear box 变速齿轮箱
four-speed gear box 四速变速箱
change e speed gear box 变速箱 ; 变速齿轮箱
speed reduction gear box 齿轮减速箱
five-speed gear box 五速齿轮箱
three-speed gear box 三速齿轮箱
single speed gear box 单级齿轮箱
Take the manufacture of Z535 variable speed gear box for example, to analyze the causes of gear noise and effective technological means of noise control.
以制造z 535变速齿轮箱为例，分析了齿轮噪声的产生原因和控制噪声所采用的有效工艺手段。
According to the frequent oscillation of high-speed axle of speed increasing box, the gear strength is checked.
针对生产中增速箱的高速轴振动频繁现象，对其齿轮强度进行了校核。
Fan gear mainly by the box, planetary gear speed change mechanism, and so on.
风机的变速箱主要由箱体、行星轮系和变速机构等构成。
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