陕西Y-8双涡轮旋浆飞机，安托诺夫An-12反工程版，成为预警机平台，电子情报和仪器飞航规则飞机。
The Shaanxi Y-8 twin-turboprop, reverse-engineered from the Antonov An-12, is the platform for the development of airborne early warning, electronic intelligence and instrument flight rules aircraft.
分析了《中图法》（4版）法律类双表列类的体系结构及存在的问题和同行商榷。
The paper has analyzed the characteristics and functions of law class arrangement(the second class table) in CLC(4th), and put forward problems for discussion with the colleagues.
简体中文标题：滚子链。欧洲式。第1部分：单节、双节和三节滚子链(英文版)。
English Name: roller chains - European type - Part 1: Simple -, double -, triple roller chains.
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