“self-advancing supports”的概念、定义、翻译、参考文献-科学参考

单词	self-advancing supports
释义	self-advancing supports [¦self ǝd¦vans·iŋ sǝ`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	H rod crossbar system crossbeam cross bearing cross-bedding cross-belt drive crossbolt cross bond cross box cross bracing crossbreed cross-cap cross-color cross compiler cross-correlation cross-correlation detection cross-correlation function cross-correlator cross-country mill cross-coupling crosscurrent crosscurrent extraction cross curve crosscut crosscut file

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