Unverified80% confidenceTradeoffTime unknown
气嘴越长（如42mm/48mm）越方便手动打气但高速下摆动幅度大更易漏气，越短越隐蔽稳定但打气不便；乘用车通用长度约33-42mm，加高轮圈或深胎压计需选加长款
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