A.1%-2% B.2%-6% C.6%-8% D.8%-10%
A.方網(wǎng)點(diǎn); B.調(diào)頻網(wǎng)點(diǎn); C.圓網(wǎng)點(diǎn); D.鏈形網(wǎng)點(diǎn)
A、3000K B、6504K C、7000K D、9300K