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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 Bucket chain excavator ： ウィキペディア英語版 Bucket chain excavator Bucket chain excavators are heavy equipment used in surface mining and dredging. It uses buckets on a revolving chain to remove large quantities of material. It has similar characteristics to bucket-wheel excavators and trenchers. They remove material from below their plane of movement, which is useful if the pit floor is unstable or underwater.〔Tenova TAKRAF. (2007). Tenova Takraf Mining Equipment. Retrieved from http://www.takraf.com/en/products/miningequipment/main.htm.〕 ==History== The first documented use of a bucket chain excavator was in 1859. It was developed by Alphonse Couvreux, a French entrepreneur.〔 The excavators from Couvreux were used in the construction of the Suez Canal.〔 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「Bucket chain excavator」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.