protecting board meaning in Chinese

护板

Using together with dash - proof hand - guards and dash - proof wall - protecting boards , beautiful and harmony
与防撞扶手、防撞护墙板一起使用，美观协调。
The results are obtained as follows : we analyze the features of kinematics and dynamic of the crusher . the improvement on the crusher structure design is made in the following aspects : involutes beat board , adjust mechanism on the back protect board and sieve plate , distributaries system , sieve plat , crusher space , rotor , hammer . furthermore , strength check is carried out
通过本题研究取得了以下研究成果：对破碎机进行了运动和动力学分析，结构优化改进，包括：渐开线反击板设计，后侧护板和筛板的恒力调节机构设计；分流系统的设计；筛板的设计；破碎腔的设计；转子的设计；锤头的设计。