spring sails造句
例句與造句
- Spring sails were invented by Scottish millwright Andrew Meikle in 1772.
- Their construction is similar to that of the spring sail.
- The mill has two spring sails and two spring patents.
- It was winded by a fantail It had four Single Spring sails.
- Four Common sails were fitted; these are lighter than Spring sails.
- It's difficult to find spring sails in a sentence. 用spring sails造句挺難的
- In 1992, new replica Spring sails were fitted to the mill.
- They combine the shutters of the spring sail with automatic adjustment of the roller reefing sail.
- It was working until the 1940s, when it had four spring sails, before becoming derelict.
- "Spring Sails ", invented in 1772 by Andrew Meikle, have shutters adjusted by a spring.
- One of the sail stocks was found to be defective in 1955 and a new pair of spring sails was fitted.
- The four Spring sails were carried on a cast iron windshaft and powered two pairs of millstones arranged head and tail.
- The cast iron shaft head ( " Wellenkopf " ), which has been drilled through, indicates that originally the mill had spring sails.
- The old Common sails were replaced with a pair of Spring sails at a cost of ?9 4s 0d by Thomas Seabrook, millwright of Furneaux Pelham, Hertfordshire.
- Originally it had four common sails, but through most of its working life had a more usual combination of two common and two spring sails, providing power with flexibility.
- It may have had common sails when built as the sale of a pair of sails is recorded in 1848, possibly indicating the fitting of a pair of spring sails.
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