hydraulic wheel scraper是什么意思

用法例句

The optimal design method and requirements for main technical properties, such as scraping and loading drag, hydraulic system, scraper volume, front or rear wheel load bearing, steady function and efficiency of towed hydraulic scrapers were introduced in the paper.

介绍了液压拖式铲运机的铲装阻力、液压系统、铲斗容积、质量、前后轮承重、稳定性以及生产效率等主要技术性能参数的优化设计方法和要求。