| 摘要 |
The air remaining within a headspace of a can filled with a liquid such as carbonated drink, juice drink, tea drink, coffee drink or the like is replaced with either of steam, a mixture of steam-carbonic acid gas, a mixture of steam-nitrogen gas, and a mixture of carbonic acid gas and steam-nitrogen gas. Therefore, the quality of filled liquid can be maintained, and to become worse of working environment can be prevented without flying carbonic acid gas in all directions at workshop.
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