Strong Russia promote system equipped with infinitely variable speeds, by gear wheel motor that controlled by frequency conversion.
强俄提升系统配备无级变速，由变频控制的减速齿轮马达驱动。
Strong Russia promote system equipped with infinitely variable speeds, by gear wheel motor that controlled by frequency conversion.
强俄提升系统配备无级变速，由变频控制的减速齿轮马达驱动。
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