| 单词 | pulley box |
| 释义 | Definition of pulley box in English:pulley boxnoun
OriginEarly 19th century; earliest use found in Peter Nicholson (1765–1844), architectural writer and mathematician. Definition of pulley box in US English:pulley boxnoun
OriginEarly 19th century; earliest use found in Peter Nicholson (1765–1844), architectural writer and mathematician. |
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