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.
一种用于内燃机的驱动系统，包括将曲轴上的主动链轮连接到凸轮轴上的从动链轮的一条环链。
A drive system for an internal combustion engine including an endless chain connecting a drive sprocket on a crankshaft to a driven sprocket on a camshaft.
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 use the belt wheel, wheel, etc, shall set bracket support, in case of driving gear bearing by the radial force.
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