1. We often shake flour through a sieve.
   我们经常用筛子筛面粉。
2. Based on analysis of problems existed in application of inertial vibrosieve,the new type variable frequency hydraulic straight-vibrating sieve is introduced.
   分析了惯性振动筛存在的问题 ,提出新型变频液压直线振动筛的应用 ,并详细介绍了液压激振的理论成果。
3. The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.
   研究了SAS型固体酸和几种分子筛上氧化苯乙烯液相重排成苯乙醛的反应,考察了催化剂的活性、选择性和和稳定性。
4. Mesoporous molecular sieves are of great academic and practical importance in heterocatalysis. In this review, we mainly summarized the progress made in its catalytic application.
   中孔分子筛在多相催化领域具有重要的理论研究和实际应用价值，综述了国内外的学者在其催化应用方面所取得的进展。
5. According to the shape of screening impurities to choose hole-shaped sieve plate(move out long, Diamond impurities) and the slit-shaped sieve plate(move out particles shape impurities and emplastic).
   根据筛选杂质的形状特点可以选择孔形筛板(去长、菱形杂质)和缝形筛板(去颗粒形杂质和粘胶物)。
6. According to the shape of screening impurities to shoose hole-shaped sieve plate (move out long ,Diamond impurities)and the slit-shaped sieve plate (move out particles shape impurities and emplastic).
   根据筛选杂质的形状特点可以选择孔形筛板（去长、菱形杂质）和缝形筛板（去颗粒形杂质和粘胶物）。

声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。