For example, in order to give self the "evidence of being innocent", you can talk to the old man, and record the conversation, or record the process on video with your cell phone.
例如，为了给自己留下“清白的证据”，你可以与老人交谈并记录谈话，或是用手机拍下全程。
The technological process of the new and old die forging for the pole was described.
叙述了磁极新旧模锻工艺过程。
The technological process of the new and old die forging for the pole was described.
叙述了磁极新旧模锻工艺过程。
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