A.掃描儀B.計算機C.顯示器D.顯影機
A.清除B.保留C.破壞D.腐蝕
A.1%細(xì)網(wǎng)曬掉,2%細(xì)網(wǎng)曬出B.2%細(xì)網(wǎng)曬掉,3%細(xì)網(wǎng)曬出C.3%細(xì)網(wǎng)曬掉,4%細(xì)網(wǎng)曬出D.4%細(xì)網(wǎng)曬掉,5%細(xì)網(wǎng)曬出