顾老师英语轻松学

Dichloromethane 🔊 is 🔊 commonly 🔊 used 🔊 as 🔊 a 🔊 solvent 🔊 in 🔊 the 🔊 paint 🔊 and 🔊 varnish 🔊 industry 🔊 .

二氯甲烷常被用作油漆和清漆行业的溶剂。