• Technology For Bottle Blowing
    Technology For Bottle Blowing

5. Why is there a magnifying glass at the bottom of the bottle? 

1. Too much material at the bottom of the bottle2. The pre-blowing time is too late3. The pre-blowin···

　

1. Too much material at the bottom of the bottle 

2. The pre-blowing time is too late 

3. The pre-blowing pressure is too low 

4. The pre-blowing flow is too small 

5. The bottom temperature is too low

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