A.燒器觀火孔B.自動(dòng)點(diǎn)火裝置C.自動(dòng)熄火裝置D.止回閥
A.槽沿板B.電解質(zhì)結(jié)殼C.風(fēng)格網(wǎng)D.陽(yáng)極碳?jí)K
A.3B.5C.8D.10