步进电机带动加注枪，实现偏心桶口的自动定位。
Step motors drive sprue guns to realize the accurate positioning of the eccentric bunghole automatically.
只有希望被关在桶口，永远飞不出来，因此人们常常把希望藏于心中。
Only hope stayed within the mouth of the jar and never flew out. So men always have hope within their hearts.
而绿色的是一般的垃圾桶，橙色的是专门收集报纸传单等可回收纸张的，所以桶口设计的像一条长长的缝。
And the green is general trash can, orange is dedicated to collecting newspapers flyers etc can recycling paper, so the barrel of the mouth is designed as a long seam.
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