| 释义 |
radius rod
radius rod[′rād·ē·əs ‚räd] (engineering) A rod which restricts movement of a part to a given arc. radius rod1. A plastering tool; a wooden arm fixed at one end to a mold and attached at the other end to a center about which it swivels; a gig stick. 2. A long wooden arm with a marker at one end for tracing large curves. |