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- The paper introduces the design performance of 7523 type, 540A type truck brake pulley and retaining pawl, and puts forward improving way for some constructive defects in a borer. 介绍了7523型、540A汽车制动鼓蹄镗削机床的设计性能，提出了机床部分结构缺陷的改进办法。
- Keywords Brake pulley and retaining pawl;Borer;Improvement; 制动鼓蹄;镗削机床;改进;
- A dyke was built to retain the floods. 修了一道堤坝挡住洪水。
- retaining pawl 制动爪,止爪
- The mental faculty of retaining and recalling past experience. 记忆，记忆力储存与回忆以往经历的大脑之能力
- A device,such as a pawl,for triggering a mechanism. 启动装置一种启动某一机械设置的装置
- I retain a clear memory of those days. 我还清晰地记得那些日子。
- The pawl,wheel,or bar of this mechanism. 棘轮，棘爪，棘条这种机械装置中的爪状物，转轮或长条
- The pawl, wheel, or bar of this mechanism. 棘轮，棘爪，棘条这种机械装置中的爪状物，转轮或长条
- Does a derivatory obligation exist ( catch / pawl)? 是否是安全件(旋转卡板/止动爪)?
- He has managed to retain most of his fortune. 他设法保存了他的大部分财产。
- Concentrated study will help you to retain knowledge. 专心学习有助于你记住知识。
- Dicotyledonous plants retain a series of strands. 双子叶植物中保留着一系列的束。
- Refit the handwheel retaining screw. 重新装置手轮固定螺丝。
- Reinstall handwheel and secure with retaining bolt. 重新安装手轮，用固定螺栓加固。
- Pawl is a simple device which allows a shaft to turn only one way. 掣爪是一种非常简单的只让转轴往一个方向转动的装置。
- What should I do? Retain the red door? 现在门已经刷上红色了，怎么办?
- I cannot retain so much information. 我不能记住这么多的信息。
- You must retain your school reports. 你必须将学习成绩单保存好。
- China dishes retain heat longer than metal pans do. 瓷碟子保温的时间要比金属盘久。
