制冷剂R451A制冷剂R451A是一种混合制冷剂。R451A制冷剂成分摩尔百分比：R1234yf占88.7347%,R134a占11.2653%质量百分比：R134a占10.2%,R1234yf占89.8%包装规格：...制冷剂/2022-06-27/1317 阅读0 评论
