Unverified75% confidenceDecision RuleTime unknown
长柄勺（柄长≥12cm）适合大容量或深罐奶粉，能触底取粉且手指不碰罐内壁，减少污染；短柄勺舀取深罐时手易伸入罐内
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75%
Confidence
Long-term
Relevance
-
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Unverified手柄长度需匹配奶粉罐深度，长柄勺（≥12cm）能触底取粉且手不碰粉减少污染，短柄勺在深罐中易导致手指接触奶粉92% similarUnverified长柄勺（柄长≥15cm）在奶粉罐见底时更好取粉，避免手指伸入罐内污染奶粉；短柄勺在罐子过半后取粉需将手部伸入，卫生性较差90% similarUnverified勺柄越长越方便从深罐底部取粉且手不触碰奶粉，但柄过长会导致奶粉罐盖合不严，选柄长与常用奶粉罐深度匹配（一般10-13cm）的款式88% similarUnverified开口直径≥10cm的广口设计才能让量杯/舀勺自由进出，窄口罐(直径<8cm)取粉时会撒漏且无法用标准量勺85% similarUnverified宽口设计（口径≥5cm）的分格盒能直接对准奶瓶口倒粉不撒，窄口盒需借助漏斗；宽口同时清洗时手指伸得进去，晾干更彻底81% similar
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