Convolution

(noun.) the action of coiling or twisting or winding together.

录入:诺顿

• It was found disadvantageous to have an entire convolution of the thread of the screw; for one part of it worked in the wake of the other, and resistance was produced by the backwater. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• It consisted of a single convolution of a three-threaded screw, and may be considered to be the first screw propeller invented. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• The Archimedes was originally fitted with a single-threaded screw, the threads of which were 8 feet apart, and there were two convolutions of the screw round the shaft. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.

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