| 单词 | roller steady |
| 释义 | Definition of roller steady in English:roller steadynoun Engineering
OriginEarly 20th century. Definition of roller steady in US English:roller steadynoun Engineering
OriginEarly 20th century. |
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英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。