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self-advancing supports |
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self-advancing supports [¦self əd¦vans·iŋ sə′pȯrts]
(mining engineering) An assembly of hydraulically operated steel hydraulic supports, on a long-wall face, which are moved forward as a unit. Also known as walking props. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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