“positive drive lift”的概念、定义、翻译、参考文献-科学参考

单词	positive drive lift
释义	positive drive lift Encyclopedia 工学电梯释 positive drive lift强制驱动电梯用链或钢丝绳悬吊的非摩擦方式驱动的电梯。这类电梯属于早期的电梯类型，已很少应用，仅在杂物电梯等中使用。不能使用对重，可使用平衡重。
随便看	Branch Secretariat in Yanjing branch series flotation branch string connection gathering process branch surface branch target address branch target buffer branch testing branch thrust branch version brand advertisement brand agriculture brand associations Brand Blanshard brand books brand color brand communication brand design brand development index Brandenburg Brandenburg Land brand image design branding the nation brand loyalty Brand Management brand management

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。