例句與造句

1. Roller reefing also allows more variable sail area than conventional or jiffy reefing.
2. Adjustment of the roller reefing sail can be made without stopping the mill.
3. The oyster dredging sailboats of the Chesapeake Bay, bugeyes and roller reefing and furling.
4. They combine the shutters of the spring sail with automatic adjustment of the roller reefing sail.
5. Most R-22 boats are now equipped with Inner Mast Furling ( IMF ) as well as roller reefing jibs.
6. It's difficult to find roller reefing in a sentence. 用roller reefing造句挺難的
7. The first 9 hulls were fitted with in boom roller reefing and later boat with slab reefing with 116 boats built in total.
8. Its features include foot pedal steering, genoa roller reefing, full trimming facilities, large buoyancy tanks, and car-top mounting.
9. This type of sail was popular in Yorkshire, although the only remaining mill with roller reefing sails intact is Ballycopeland Windmill in Northern Ireland.
10. "Roller Reefing Sails ", invented in 1789 by Stephen Hooper, use a canvas strip wound around a roller in the place of shutters.
11. Roller reefing sails were invented by Stephen Hooper in 1789 . As with spring sails, the sail is divided into a number of bays, each with a number of spars with cloth wound around them.
12. "Patent Sails, " invented in 1819 by William Cubitt, combine the shutters of the " Spring Sail " with the automatic adjustment of the " Roller Reefing Sail ".
13. The original design, with the small jib, provided for square gooseneck roller reefing for the main; modern boats usually prefer slab / jiffy reefing for the main, and some set fully reefable genoas by means of a headsail reefing drum and associated equipment ( including a reefing spar ).