| 单词 | cutter-dredge |
| 释义 | > as lemmascutter-dredge cutter-dredge n. = cutter-dredger n. ΘΚΠ society > occupation and work > equipment > earth-moving and excavating equipment > [noun] > dredging equipment dredge1471 clam-shell1508 drag1611 steam dredge1801 dredging-machine1830 hedgehog1838 bag and spoon1840 hydrophore1842 dredger1863 gold dredge1881 gold dredger1897 suction dredge1901 bucket dredge1907 cutter-dredge1913 1913 B. F. Thomas & D. A. Watt Improvem. Rivers (ed. 2) i. 100 The cutter dredge,..in which the material is loosened by a series of knives shaped so that they will not clog, fastened to a shaft and revolving close to the end of the suction pipe. < as lemmas |
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