precooled aggregate预冷骨料
precooled air预冷空气
Precooled cylinders冷瓶
air precooled adiabatic absorption空冷预冷却绝热吸收
precooled concrete design预冷混凝土设计
propane-precooled mixed-refrigerant cycle丙烷预冷混合制冷剂循环