| 单词 | shaft deformation bar |
| 释义 | shaft deformation bar [`shaft ´dē´fȯr`mā·shǝn ´bär] MINING ENGINEERING A length of 11/2-inch (3.8- centimeter) pipe fitted at one end with a micrometer and at the other end with a hard-steel cone for measuring the deformation in the cross section of a shaft. |
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