复合式干燥器是由冷冻干燥器和吸附干燥器构成的串联系统。
The complex dryer is a complex system composed of a refrigerant dryer and a regenerative dryer .
一种实用的判断冷冻式干燥器状态优劣的方法&称量冷凝水法
One Practical Method from Judgment of the Condition of Refrigerated Drier & Method of Weighing Condensed Water