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单词 rolling chock
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rolling chock
rolling chock n. (a) a piece of wood fastened to the centre of a yard and secured by a parrel, in order to steady the yard against the rolling movements of the ship; (b) a fin-like projection fitted under the bilge or along the hull in order to counteract the hull's tendency to roll.
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1846 A. Young Naut. Dict. Rolling-Chock, or Rolling-Cleat, a piece of wood fastened to the middle of an upper yard, with a piece cut out of its centre so that it may half encircle the mast, to which it is secured by an iron parrel.
1902 J. Conrad Typhoon ii. 9 The Nan-Shan, with her flat bottom, rolling chocks on bilges, and great breadth of beam, had a reputation of an exceptionally steady ship in a seaway.
1938 Times 25 June 23/3 Result of survey, three plates starboard side very heavily bulged and four frames with breakage of rivets rolling chock shifted.
2007 J. Christley US Nucl. Submarines 41 (caption) Modern submarines are built specifically to travel completely submerged—their round hulls with no rolling chocks and their low bridges make them miserable in any significant seaway.
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更新时间:2025/1/11 19:31:37