Unverified80% confidenceTradeoffTime unknown
加厚气球更耐用不易爆但吹气更费力、氦气用量更大成本更高；家庭小型聚会用普通厚度手吹即可，商业布置才需加厚+打气筒
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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