| 单词 | dredging-machine | 
| 释义 | > as lemmasdredging-machine   attributive and in other combinations, as  dredging-bag,  dredging-bucket,  dredging-engine,  dredging-gear,  dredging-iron,  dredging-machine,  dredging-steamer, etc. 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 1776    G. Semple Treat. Building in Water 33  				The Stones..tore and totally destroyed our Drudging-bags. 1776    G. Semple Treat. Building in Water 29  				Drudging-engines. 1830    Mechanics' Mag. 13 64  				The dredging-machines..were invented and patented by a Mr. Israel Pownall in 1712. 1840    Evid. Hull Docks Com. 37  				Excavation..done by the dredging-machine. 1851    Official Descriptive & Illustr. Catal. Great Exhib. III. 600  				Improved grappling or dredging-iron, for drawing from the water the bodies of persons..drowned. 1860    J. S. C. Abbott South & North 65  				A few dredging-steamers were also slumbering upon the mud. 1872    Porcupine 29 June 198/3  				Set the dredging-buckets to work, and scooped it all away. < as lemmas  | 
	
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