分析了混合捕收剂的性能与特点。
The properties and characteristics of collector mixture were analysed.
介绍了井下防水门的种类、结构形式，对各类防水门的性能与特点作了理论分析。
This paper describes the types and structure styles of underground lock gates, and analyses theoretically the performance and feature of various kinds of lock gates.
本文报道了611 -氧化交联淀粉内墙涂料的研制原理、配方、工艺及其性能与特点。
This paper reports the production principle, formula, mixing technology, properties and characteristics of 611-oxidized cross -liked starch inner wall coating.
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