[UL认证] UL标志真伪鉴别
P:2006-12-02 07:45:32
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CLV - constant linear velocity恒定线速度 (0) 投诉
P:2007-03-29 14:56:56
2
好东西
non hermetically coated fiber - 非密封涂层光纤 (0) 投诉
P:2007-06-27 00:55:25
3
heat-treated aluminium-magnesium-silicone alloy - 热处理的铝-镁-硅合金 (0) 投诉
3