阿尔马斯生产的自行车链条长度较短，只有0.7米。
Almax produce a shorter 0.7m version of their chain for bicycles.
两组链条长度之差产生差动功能，可缓冲平衡重的换向惯性冲击。
The difference of the lengths of the two chains produces a differential action to damp the reverse inertia impact of the counterbalance weight.
订购时，请指明链轮型号，链条型号和长度，或美国尼伯科阀门的型号、尺寸和链条长度。
When ordering, specify the sprocket number, chain number and length, or the NIBCO valve figure number, size and the chain length.
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