The composite materials can also be used in a factory-type production process, says Mr Dowson.
Dowson先生说,复合材料同样可以应用到批量生产过程中去。
Occurrence, distribution, harm and developing tendency of a mulberry disease Pseudomonas solanacerum S. Dowson was reviewed.
综述了桑青枯病在我国的广东、广西、江西和浙江等地的发生、分布、危害及发展趋势。
The EHD film thickness formula for roller bearing is important in application. The authors derived this formula on the basis of Dowson-Higginson equation.