n.预先冷却器
Pre- is a prefix added to cool to form precool. pre-是加在cool之前变成precool的前缀
CHARACTERISTICS： The precooler adopts red copper tubes with smooth wall for quick heat exchanging to avoid impurety to build up. 耐用稳定 冷冻式干燥机的预冷器采用高效换热光滑管壁紫铜管，防止压缩空气中的杂质粘附堵塞钢管表面，影响换热效果和使用寿命；
CHARACTERISTICS：The precooler adopts red copper tubes with smooth wall for quick heat exchanging to avoid impurety to build up. 耐用稳定冷冻式干燥机的预冷器采用高效换热光滑管壁紫铜管，防止压缩空气中的杂质粘附堵塞钢管表面，影响换热效果和使用寿命；
CHARACTERISTICS： The precooler adopts red copper tubes with smooth wall for quick heat exchanging to avoid impurity to build up. 耐用稳定，安全可靠。耐用稳定 冷冻式干燥机的预冷器采用高效换热光滑管壁紫铜管，防止压缩空气中的杂质粘附堵塞钢管表面，影响换热效果和使用寿命；
To fully utilize the low temperature exergy of liquid hydrogen,installed additionally in a hydrogen energy based gas turbine cycle is an air precooler and hydrogen turbine. 为了充分利用液氢的低温火用，在氢能燃气轮机循环中附加了一个空气预冷器和氢气透平。
