英语语法分析

Packaging . dessicant bags . specifications and tests.

包装。干燥剂袋。规范和试验。

The sample solution is concentrated by evaporating under vacuum with anhydrous calcium chloride as dessicant.

富集是以无水氯化钙为干燥剂，使试液在真空条件下脱水而浓缩；

To introduce two type of air dryers which are commonly used in the hospital refrigerant dryer and dessicant dryer.

介绍目前在医院中使用的两种气体干燥机，即冷干机及吸附式干燥机。