... retention plug；保持塞 retention spring；保持弹簧 rethreading die；重切丝板牙 ...
基于1个网页-相关网页
brake shoe retention spring 制动蹄保持弹簧
retention spring
保留春季
以上为机器翻译结果，长、整句建议使用 人工翻译 。
He plans to produce the report in the spring with recommendations for how to better use resources, such as more efficient special education and teacher retention practices.
WSJ: School Spending Under Microscope
应用推荐
模块上移
模块下移
不移动