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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Mining machinery engineering ： ウィキペディア英語版 Mining machinery engineering Mining Machinery Engineering is an interdisciplinary branch of engineering that applies the principles of mechanical engineering, electrical engineering and mining engineering for analysis, design, manufacturing and maintenance of . It includes study of various aspects of equipment used in earthworks, mineral processing, bulk material handling, drilling and construction. ==History== Surface mining equipment evolved at a high pace in the 20th century as the scale of mining grew up. In the first twenty years of the 1900s, steam power was largely replaced by internal combustion engines and electric motors. Till the 1970s such equipment mainly used mechanical system and cables for power transmission after which they started to be replaced by hydraulic drive system for small machines. However, mechanical and cable drives are still dominant in large machines. Similar development took place in the development of underground machinery. Drilling and blasting replaced manual cutting of ores. Lately, use of continuous mining machines has become order of the day to comply with environmental regulations, protect surface features and also to achieve increased production rate. As the concern for safety in mines increased and highly stringent regulations were put in place, it required mining machinery engineers to be highly conversant with such regulations. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mining machinery engineering」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.