“古代起重机械”的概念、定义、翻译、参考文献-科学参考

单词	古代起重机械
释义	古代起重机械 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	land tender,auction,listing land tenure land tenure disputes land tenure management land title land to the tiller land transaction land transfer land transport land treatment of wastewater from livestock and poultry farms land treatment system land trust land type land type map land unit landup performance of carrier-based aircraft land usage permit system land use land use and cover change Land Use and Land Cover Change Project land use arrangement planning of central city area land use classification land use control land use control system land use conveyance

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。