One of a number of alloys originally based on tin, copper, and antimony and now includes lead. It is used in bearings for motors and was invented by American inventor Isaac Babbitt (1799–1862).
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。