“ancient lifting machine”的概念、定义、翻译、参考文献-科学参考

单词	ancient lifting machine
释义	ancient lifting machine Encyclopedia 工学﹝其他古代机械﹞释 ancient lifting machine古代起重机械考古记录显示，最迟在公元前515年，提升夹具和铁制的吊楔就开始出现在了古希腊人石块结构的神殿里。
随便看	water conservancy project cost management water conservancy project estimate & budget water conservancy project final accounts audit for complete water conservancy project in China water conservancy project jurisdiction Water Conservancy Project Management in Ancient China water conservancy project management review water conservancy project official inspect water conservancy project operation and management water conservancy project quality management water conservancy project quota water conservancy projects during the Roman Empire Era water conservancy projects in the ancient Greece water conservancy safety supervision information system water conservancy strategic planning water conservation Water conservation area Water Conservation in China water conservation planning water conservation society water consumption water consumption standard water content water content of fiber water-control by Dayu

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。