| 单词 | walking dragline |
| 释义 | > as lemmaswalking dragline walking dragline n. Mining a large machine for excavating land, supported and propelled by movable feet. ΘΚΠ society > occupation and work > equipment > mining equipment > [noun] > other mining equipment dial1681 stick1708 motty1797 nail1839 spiking crib or curb1839 spile1841 bull1849 dag1863 ore bin1867 monitor1873 Billy Fairplay1876 snibble1883 brattice-cloth1885 breaker1885 steam point1895 picking belt1900 self-rescuer1924 rock duster1930 walking dragline1930 1930 Brownsville (Texas) Herald 28 Dec. (Delta Orchards section) 7/3 Three large walking dragline machines are at work constructing the intake canal towards the Rio Grande. 1975 Audubon Mar. 81/3 The great walking draglines, with booms as long as 200 feet and buckets of up to 13-cubic-yard capacity, extend the broad gash farther across the rolling prairie. 2005 New Yorker 10 Oct. 68/3 The walking draglines gnawing at the overburden needed tall rigid masts to help support their four-chord booms. < as lemmas |
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