A.7°/10° B.10°/5° C.10°/15° D.15°/10°
A.重柴油和重油/濁點(diǎn) B.柴油和渣油/凝點(diǎn) C.輕柴油和重柴油/濁點(diǎn) D.輕柴油與重柴油/凝點(diǎn)
A.150mm B.250mm C.350mm D.450mm