英语词汇“θ213301”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	θ213301
释义	society > occupation and work > equipment > earth-moving and excavating equipment > [noun] > tunnelling equipment (6) poling board1837 a board used to support the sides of an excavated structure. shield1837 A framework erected for the protection of workmen engaged in boring or tunnelling and pushed forward as the work progresses; also, a watertight… packing-board1850 pilot tunnel1881 a small tunnel or section of tunnelling used to guide the excavation of a main tunnel. subterrene1956 Originally Science Fiction. A subterranean tunnelling machine; esp. one which melts the rock in front of it and causes the molten rock to form a… mole1960 Mining and Civil Engineering. A remotely operated or automatic machine for boring or tunnelling.
随便看	θ179232 θ179233 θ179234 θ179235 θ179236 θ179237 θ179238 θ182274 θ182275 θ182276 θ182277 θ182278 θ182279 θ18228 θ182280 θ182281 θ182282 θ182283 θ182284 θ182285 θ182286 θ182287 θ182289 θ18229 θ182290

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