In the names of implements, machines, processes, etc. operated by steam or by a steam-engine, as steam-crane, steam dredge, steam dredger, steam drill…
| 单词 | θ213296 |
| 释义 | society > occupation and work > equipment > earth-moving and excavating equipment > [noun] > excavator (11) steam shovel1801 In the names of implements, machines, processes, etc. operated by steam or by a steam-engine, as steam-crane, steam dredge, steam dredger, steam drill… steam trowel1801 In the names of implements, machines, processes, etc. operated by steam or by a steam-engine, as steam-crane, steam dredge, steam dredger, steam drill… excavator1843 spec. A machine for digging out earth, etc. earthmover1871 A vehicle or machine designed to excavate large quantities of soil. Also occasionally: a person employed to do this. navvy1877 A mechanical excavator. Cf. steam-navvy n. at steam, n. compounds 7. steam-navvy1881 a machine for digging or excavating by steam. backhoe1928 an excavating vehicle in which the scoop is rigidly attached to the lower end of a short hinged arm at the end of a boom and is pulled towards… Traxcavator1940 A proprietary name for a type of mechanical excavator which moves on endless steel bands or tracks (see quot. 1940). back-acter1957 = backhoe n. below; cf. back-action, n. Subcategories:— part of (2) |
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