If the pulley, sprocket-driven, such as supporting brackets should be established to prevent the initiative gear bearing the radial force.
若用带轮、链轮等驱动时应设托架支承，以防主动齿轮轴承受径向力。
If the pulley, sprocket-driven, such as supporting brackets should be established to prevent the initiative gear bearing the radial force.
若用带轮、链轮等驱动时应设托架支承，以防主动齿轮轴承受径向力。
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