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Glossary of Mining Terms

Glossary of Mining Terms

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Face— The exposed area of a coal bed from which coal is being extracted. Face cleat — The principal cleavage plane or joint at right angles to the stratifiion of the coal seam. Face conveyor — Any conveyor used parallel to a working face which delivers coal into another conveyor or into a car. Factor of safety — The ratio of the ultimate breaking .

기술 용어 사전 : 네이버 블로그

기술 용어 사전 : 네이버 블로그

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A 암페어. Abbe's Principle 아베의 원리. aberration 수차. ablation 융제. ablator 애블레이터. ABM 탄도탄 요격 미사일. abnormal explosion 이상 폭발

Exhibitor Products | International Powder Bulk Solids .

Exhibitor Products | International Powder Bulk Solids .

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System safely inverts and empties drums of various dry materials into your process. The MTS hydraulic Lift Seal System™ seals drum to a dusttight pour cone for a clean working environment.

Esab Product Catalogue 2010 | Welding | Bronze

Esab Product Catalogue 2010 | Welding | Bronze

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Esab Product Catalogue 2010 Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free.

Machinery winery,food .

Machinery winery,food .

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View any of up to 3000 Machines including Pictures,Prices and Specifiions. in 30 seconds of Secondhand,Used, Surplus,Disposals of Winery,Food Processing, Engineering and Mining machines and equip

Glossary of Mining Terms

Glossary of Mining Terms

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A. Abutment In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, .

GUNSUL... :: 토목 영어

GUNSUL... :: 토목 영어

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135°hook 백삼십오도 갈고리 180°hook 반원형갈고리 3hinged arch 3활절 아치 90°hook 구십도 갈고리 AASHO road test 아쇼 도로시험