Its advantages are simple operation, low cost and reducing infection chance during treatment.

本发明操作简单，可以减少治疗过程中的感染机会，降低治疗成本。

youdao

Its advantages are simple operation, low cost and reducing infection chance during treatment.

本发明操作简单，可以减少治疗过程中的感染机会，降低治疗成本。

youdao