插槽1单通道插槽2双通道_相机双存储卡插槽有什么大不了的？

插槽1单通道插槽2双通道 If you paid any attention to the launch of Canon and Nikon’s first full frame mirrorless cameras—the EOS R, Z6, and Z7— you’d have noticed that some people were pretty unhappy that they o

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