| 单词 | pillar block |
| 释义 | Definition of pillar block in English:pillar blocknoun ˈpɪləblɒk Mechanics
OriginEarly 19th century; earliest use found in Journal of Economic History. Alteration of pillow block, by confusion with pillar. Definition of pillar block in US English:pillar blocknounˈpɪləblɒk Mechanics
OriginEarly 19th century; earliest use found in Journal of Economic History. Alteration of pillow block, by confusion with pillar. |
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