jetting device meaning in English

射水装置

Improving suction performance of centrifugal pumps by using jetting device
用引射技术提高离心泵的汽蚀性能
The project of the experimental and theoretic research on friction reduction by microbubbles for high - speed ships , supported by the national natural science foundation of china ( no . 19772050 ) , aims to study the key technology of air - jetting devices and its relevant problems , theoretically predict the law of bubble diffusing in the boundary layer and calculate the friction of the hull
国家自然科学基金项目“高速气泡船减阻试验及理论研究”的目的在于研究高速气泡船喷气装置的关键技术及其相关问题，并从理论上预测喷气气泡在船底边界层的扩散规律和计算船体摩擦阻力，为将这一技术应用到实船上提供基础。