keel造句
A swing keel is usually long, thin, and heavy.
You can read about differences in keel shapes here.
The advantage of a swing keel is that, with the keel raised, the sailboat can go into shallow water and sits lower on a trailer.
If you decide a fixed keel boat is best for your sailing purposes, consider also which type keel best meets your needs.
Shallow draft centerboard vs. deep fixed keel - trailerable vs. launched by boatyard.
Since usually no shortage of rain, farmers here are not prepared to keel water.
A system used in some trailerable sailboats without a weighted fixed keel.
If the centerboard is weighted, then it also provides weight low in the water, like a keel, to help keep the boat upright (although not as much weight as a fixed keel can supply).
All sailboats need a keel of board for this reason: the narrow, flat surface of the board or keel produces little drag when the boat moves forward but resists motion sideways.
The keel helps the boat resist the leeward force of the wind and provides stability against excessive heeling.
But I still have plenty to learn about keeping my life on an even keel, as I realized this month.
All of these help keep your body's systems on an even keel, better able to withstand hormonal changes.
A type of keel on a sailboat that can be raised or lowered from the bottom of the hull.
But there is a wide range of boats from 12 to about 25 feet with either a fixed keel or a centerboard.
perennial tropical American vine cultivated for its racemes of showy yellow and purple flowers having the corolla keel coiled like a snail shell; sometimes placed in genus Phaseolus.
For example, in this photo the boat on the left has a fixed keel, while the boat on the right, of about the same size, has a centerboard.
The cannon were fired, and at night the patrol found him hidden under the keel of a vessel in process of construction; he resisted the galley guards who seized him.
A keel also provides weight low under the water to lower the boat's center of gravity below the waterline, which is needed so that the boat bobs back upright if knocked over by wind or waves.
She thought she could distinguish her father's castle, and upon it her aged grandmother, with the silver crown on her head, looking through the rushing tide at the keel of the vessel.
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张二柱造句
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缬更昔洛韦造句
1、巨细胞病毒感染可使用*物治疗,如更昔洛韦,缬更昔洛韦和膦**。2、方法以更昔洛韦为原料,经过酯化、还原两步反应得到目标物缬更昔洛韦。3、近期发现:先期预防*应用缬更昔洛韦在对巨细胞病毒的预防是有效的。...
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百眼魔造句
1、赫拉便将牛犊托付给百眼魔鬼阿刚斯看管。2、但是赫拉看穿了宙斯的计谋,她向宙斯要了这头小牛,让百眼魔鬼阿古斯看管她,以防她逃跑。...
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