This means that if you have a single parameter value that contains a comma, it would be treated as if it consisted of two values.

如果有一个本身包含逗号的参数值，会把它当作两个值对待。

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Two covered rollers, each driven by independent inverter controlled motors allow to adjust the fabric tension by means of the parameter of touch panel.

两条包复罗拉，单独变频控制马达驱动，可对织物张力进行调控。

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