| 单词 | arbor |
| 释义 | arbor [`ar·bǝr] HOROLOGY The axle of a wheel in a watch or clock. MECHANICAL ENGINEERING 1. A cylindrical device positioned between the spindle and outer bearing of a milling machine and designed to hold a milling cutter. 2. A shaft or spindle used to hold a revolving cutting tool or the work to be cut. METALLURGY A device which supports sand cores in molds. |
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