单词 | needle bearing |
释义 | needle bearing [`nēd·ǝl ´ber·iŋ] DESIGN ENGINEERING A roller-type bearing with long rollers of small diameter; the rollers are retained in a flanged cup, have no retainer, and bear directly on the shaft. |
随便看 |
|
科学参考收录了103327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。