All transmissions part changes from chain drive structure to synchronized tooth belt, which has more smooth transmission and less noise.

所有传动部件改以往的链条传动为同步齿形带传动，其传动更平稳，噪声更小。

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All transmissions part changes from chain drive structure to synchronized tooth belt, which has more smooth transmission and less noise.

所有传动部件改以往的链条传动为同步齿形带传动，其传动更平稳，噪声更小。

youdao