万向节支座 universal bearing
热门单词
- 一慢，二看， 三通过
- 一日之雅
- 一章三读; 一句十吟
- 万
- 万向虎钳 {工} toolmaker's vise; universal vise
- 万圣节酸樱桃
- 万能开关 universal switch
- 三元系
- 三棱尺 three-square rule; three-edged rule; three-square scale; triangular scale
- 三次不尽根 cubic surd; surd of third order
- 三肽
- 三角形大横帆 bentinck
- 三角形边接电路 delta connected circuit
- 三角比 trigonometric ratio
- 三角矩阵 {数} triangular matrix
- 三跪九叩
- 三轴串联式压路机 three-axle [tandem] roller
- 三轴铣床 three-head milling machine
- 三重地 treply
- 上下文说明 contextual declaration
- 上升平原 uplifted plain
