大河乌猪冷却肉
chilling meat of Da-he black pig
冷却肉保鲜技术的研究
The Fresh Technology of Chilled Meat
冷却肉的托盘保鲜
Fresh-keeping technology for chilled meat with tray package
死循环酷冷冷却
closed loop cryogenic cooling
停机却冷却误作用
shutdown cooling mal-function
冷却-加热混凝土养护
cooling-heating”concrete curing