阅读通用实验知识讲义（PDF）在你在实验室做的任何作品上签名，没有做的不要签。
Read the General Laboratory Information ( PDF) handout. Put your name on anything that you build in the laboratory and leave unattended.
阅读通用实验知识讲义（PDF）在你在实验室做的任何作品上签名，没有做的不要签。
Read the General Laboratory Information ( PDF) handout. Put your name on anything that you build in the laboratory and leave unattended.
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