它改变了以往输卵管通畅试验的传统方法。采用了记录、显示等技术，具有安全准确等特点。
Adopting the recording and display techniques which differ from the conventional method, it possesses higher safety and accuracy.
它改变了以往输卵管通畅试验的传统方法。采用了记录、显示等技术，具有安全准确等特点。
Adopting the recording and display techniques which differ from the conventional method, it possesses higher safety and accuracy.
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