单词 | hopper-dredger |
释义 | > as lemmashopper-dredger hopper-dredger n. a vessel combining the functions of a hopper and a dredger, being fitted with hoppers that receive the material dredged up and allow it to be discharged through the bottom at the place of deposit. ΚΠ 1876 Simons & Brown Brit. Pat. 4382 This Invention, which relates to improvements in hopper dredgers, has for its object..to effect the discharge of the load or contents of hopper dredgers on to the adjoining river or canal bank. 1969 R. Hammond Mod. Dredging Pract. iv. 101 Direct pumping ashore to disposal areas is another function performed by a hopper dredger. < as lemmas |
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