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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 Underground pneumatic boring ： ウィキペディア英語版 Underground pneumatic boring Underground pneumatic piercing tools are often referrd to as hogs, air hogs, or pneuma gophers. The tool is used to bore a hole underground between two points without disturbing the surface ground. This open air chamber is referred to as the bore hole and is used to either run ducting for product or the raw product itself between the two points. ==Uses== The tool is used in the installation of all public utilities electricity, gas, phone, and cable television these are referred to as product. It is also used to install home sprinkle systems and auxiliary home power lines. The tool is utilized in instances when it is difficult or cost prohibitive to plow or trench the product into the ground, some of these instances are under driveways, roads, sidewalks, and landscaping. Pneumatic piercing tools are a lower cost alternative to directional boring. 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「Underground pneumatic boring」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.