英语词汇“self-advancing supports”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	self-advancing supports
释义	self-advancing supports 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.
随便看	sstfe sstfi sstft sstfy sstg ssth ss-thalassemia ssti sstiks sstir sstixs sstk sstl sstl2 sstlr sstm sstmf sstml sstmp sstn sstnet ssto sstol sstorm ss-totenkopfverbände

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