Dredge

(noun.) a power shovel to remove material from a channel or riverbed.

(verb.) remove with a power shovel, usually from a bottom of a body of water.

(verb.) search (as the bottom of a body of water) for something valuable or lost.

(verb.) cover before cooking; 'dredge the chicken in flour before frying it'.

布兰得利整理

• One of the most common is the clam-shell dredge, consisting of a pair of large, heavy iron jaws, hinged at the back, in general form resembling a pair of huge clam shells. 佚名. 神奇的知识之书.
• This dredge is the only one found satisfactory in excavating rock. 佚名. 神奇的知识之书.
• The pipe is lowered into contact with the bottom to be excavated and the material is pumped into hopper barges or into a hopper-well in the dredge itself. 佚名. 神奇的知识之书.
• Traction is then made on the chains controlling the jaws, which close; the grapple is hoisted to the surface and its contents discharged into scows alongside the dredge. 佚名. 神奇的知识之书.
• The lower view shows a suction dredge, which operates on soft mud or sands, pumping the discharge through the pipe seen at the left of the illustration. 佚名. 神奇的知识之书.
• IV, pages 4-14; and Dredge's Electric Illumination, 1882, Vol. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The best known of the latter type is the Bowers hydraulic dredge, covered by many patents, of which Nos. Edward W. Byrn. 十九世纪发明进展.
• Dredging machines of a great variety have been constructed. 威廉·亨利·杜利特. 世纪发明.
• The present method of dredging is of the hit or miss character, while the submarine method is capable of thorough work. 佚名. 神奇的知识之书.
• The gold-dredging spoken of refers to the working of gold-bearing sands found at the mouth of certain rivers in Alaska and South America. 佚名. 神奇的知识之书.
• Submarine Dredging. 佚名. 神奇的知识之书.
• Sixty great dredges were employed on the work, and the dredged material was discharged in chutes on to the bank. Edward W. Byrn. 十九世纪发明进展.
• Small area of land dredged away as soon as Gatun Locks were completed. 佚名. 神奇的知识之书.
• How are Harbors Dredged Out? 佚名. 神奇的知识之书.
• Sixty great dredges were employed on the work, and the dredged material was discharged in chutes on to the bank. Edward W. Byrn. 十九世纪发明进展.
• This battery soon drove out our dredges, two in number, which were doing the work of thousands of men. 尤利西斯·格兰特. U．S．格兰特的个人回忆录.
• Dredges were put to work immediately widening the channel at Cucaracha slide in Gaillard Cut, so that within a short time the canal was ready for use throughout its entire length. 佚名. 神奇的知识之书.
• The depth of water at which the Bucket Ladder dredges is regulated by the Hoisting Shears and Chain Barrel D D, driven by shafting E E from the Engines. 佚名. 神奇的知识之书.
• There are several forms of mechanical, power-operated dredges. 佚名. 神奇的知识之书.
• With the construction of canals and harbors, great improvements have been made in dredges. Edward W. Byrn. 十九世纪发明进展.

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