The tail has a double-arm co-axial gravity tensioning device, which can adjust the tail roller synchronously.

尾部采用齿轮条重力张紧装置；同步调节尾部滚筒行程。

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The tail has a double-arm co-axial gravity tensioning device, which can adjust the tail roller synchronously.

尾部采用齿轮条重力张紧装置；同步调节尾部滚筒行程。

youdao