A.產(chǎn)品標(biāo)記、標(biāo)識 B.產(chǎn)品包裝 C.與安全有關(guān)的結(jié)構(gòu) D.關(guān)鍵元器件和原材料
A.5A B.10A C.12A D.25A
A.1s B.2s C.5s D.60s