...筑变异而来 » Essays by traditional sloping top, 2nd building variations to 主要技术性能 » The main technical properties 我需要锻炼自己的口语，多和别的国家人交流，多学些语法，帮助自己写文章的能力。
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This article introduces an overall design plan, mechanical construction design, the operational effect and the main technical properties of the punch.
本文介绍该冲床的总体设计方案、机械结构设计、使用效果及其主要性能。
The authors introduce the main technical properties of the two manipulators installed on the 600 meters deep rescue ROV. Based on the special underwater environment and working requirement.
本文介绍了我国自行研制的水下600米援潜救生兼顾海洋油气开发作业的缆控水下机器人的两型机械手的主要技术性能、特点。
Problems existed in simulation scale-up, engineering design, equipment manufacture and materials properties are main causes for the slow technical progress of the ammonia industry in China.
模拟放大、工程设计、设备制造和材料性能的问题，是我国合成氨工业技术进步缓慢的主要原因。
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