FRESadj.耐火的
FRabbr.故障率(=failure rate)abbr.故障记录(=faillure record)abbr.故障报告(=failure report)
freqency-changer变频器
frenulum of tongue舌系带
fructus mume penet乌梅丸
freguency response频率响应
Freund's operation
Frenel diffraction菲涅耳衍射
fructose injection果糖无菌水溶液
frestyle wrestling自由式摔跤
freon coolant loop氟利昂制冷循环
frenzied inflation物价狂涨