Just cut a small cross in the plastic at the spot you will drill.
先在塑料板上要钻孔的地方切一个小十字。
As long as the part isn't too heavy and there is a good hidden spot to drill the hole this method works well.
只要部分不是太沉重，有一个很好的隐蔽的地方钻洞，此方法效果良好。
If discovery measles drill the membrane spot then to diagnose.
如发现麻疹钻膜斑即可诊断。
If discovery measles drill the membrane spot then to diagnose.
如发现麻疹钻膜斑即可诊断。
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