Anionic surfactant (as) in water sample was determined rapidly by flow injection analysis with an on-line extraction functional module.
采用在线萃取预处理功能模块，配合流动注射分析法对水体中阴离子表面活性剂进行了快速测定。
Through study on the structure of children potable water cup and existed technology problems in injection forming, an injection mould with one module and two cavities were determined.
通过对饮水杯盖产品结构和注射成型的工艺分析，确定了该塑件的注射模结构为一模两腔。
Through study on the structure of children potable water cup and existed technology problems in injection forming, an injection mould with one module and two cavities were determined.
通过对饮水杯盖产品结构和注射成型的工艺分析，确定了该塑件的注射模结构为一模两腔。
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