Unverified85% confidenceTradeoffTime unknown
32mm主杆直径提供较好的抗风稳定性，适合大面积蝶形天幕的支撑需求，但相比碳纤维杆明显更重
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85%
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Unverified28mm管径的四节碳纤维脚架，自重约1.09kg，在轻量化和稳定性之间取得了较好的平衡，适合徒步携带74% similarUnverified33mm直径+1.5mm壁厚的铝合金杆定位为天幕主杆使用，抗风性优于28mm杆，但重量也明显更大，徒步露营不适合携带73% similarUnverified承重与美观权衡：工业风粗管（32mm以上）承重强但视觉厚重，占用台面上方空间；简约风扁轨/细圆管更轻盈但单钩承重多在2-3kg，重锅具需分散多点挂载73% similarUnverified选购天幕需配套评估支撑杆规格：主杆直径≥28mm、壁厚≥1mm铝合金杆抗风更稳，2.4米以上高杆需加粗；很多天幕不含杆，购买前确认是否需另配2-4根撑杆及地钉风绳73% similarUnverified碳纤维管的管径（如28mm、32mm）越粗抗弯刚性越强，长焦重装备应关注最粗管径不低于28mm73% similar
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