A.0.1% B.0.15% C.0.05% D.0.5%
A.四乙基錫 B.四乙基鉛 C.四甲基錫 D.四甲基鉛
A.沸點(diǎn) B.凝點(diǎn) C.閃點(diǎn) D.著火點(diǎn)