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seashell:上次测过好像是4mm直径,记不大清了 (2014-12-31 10:36)
马大卫:哥们 是后花鼓珠子么嬀挀漀氀漀爀=gray](2014-12-31 10:53)嬀/color]
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光光:比较好奇为什么会磨损 (2014-12-31 15:03)
seashell:准确的应该是3.9x mm,没记错的话 (2014-12-31 11:28)