高速混合制粒干燥机Granulating drier with high-speed mixing
高频喷射通气high frequency jet ventilation, HFJV
快速晶闸管high-speed thyristor【电子】
品质优良的high-grade
高密度聚乙烯high density polyethylene, HDPE
高密度刨花板high-density particleboard
高效滚齿机high efficiency gear hobbing machine
【机】 极高电力ultra-high power