| 单词 | bucket-dredger |
| 释义 | > as lemmasbucket-dredger bucket-dredger n. a dredge that excavates by means of scoops or buckets. ΚΠ 1902 Encycl. Brit. XXVII. 530/2 Where it is necessary to finish off the dredging work to a uniform flat bottom..bucket dredgers are better adapted. 1909 Westm. Gaz. 5 Nov. 7/3 A twin-screw, self-propelling bucket dredger. 1930 Engineering 15 Aug. 195/3 The bucket dredger is the only type which has been uniformly successful from the time of its introduction. < as lemmas |
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