单词 | Paddle wheel |
例句 | 1. Its two sides install the paddle wheel which can rotate. 2. Finishing digital design process of paddle wheel, A new design mode of paddle wheel equipment in the area of exploitation of series of product are provided by above all process. 3. Pedals and chain drive to a paddle wheel, again that doesn't protrude below the bottoms of the floats, or can be raised to clear the submerged raft floats. 4. Oar oar oar ships to change paddle wheel forward, the oar oar paddle wheel instead of the intermittent advance of the roundabout forward (continuous operation). 5. Caterpillar Arm Pull Interestingly, the paddle wheel or propeller style movement creates lift and thrust. In this case lift adds to thrust. 6. The paddle wheel was the first form of mechanical propulsion for a boat, but has now been almost entirely superseded by more modern forms of marine propulsion. 7. Work was done in turning the paddle wheel against the resistance of the water. 8. During these battles the Song navy employed swift paddle wheel driven naval crafts armed with trebuchet catapults aboard the decks that launched gunpowder bombs. 9. Sometimes the Forfarshire's engines made strange noises, and the paddle wheels went round slowly. 10. The theoretical analysis and experiments are made to prove the dynamic vibrations produced by the lugs of a paddle wheel and the wave equation is proposed. 11. Now you could do a similar sort of thing, but instead of having a candle, you have a paddle wheel, and the paddle wheel is spun by a weight that's dropping from here to here. 12. The most obvious production of thrust comes from pushing back on the water like a paddle wheel . 13. The straight arm is brought around in a full circle, with the hand flat (see paddle wheel figure). 14. For a while it was thought that moving the arms in shorter strokes, like a caterpillar paddle wheel , would increase speed. 15. So, it's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddle wheel. 16. This was tested using a riverboat equipped with a caterpillar paddle wheel (see figure). 17. now I'm really fantastic at drawing this mechanical device, but you can imagine that dropping a weight can cause a paddle wheel to turn. 18. The most obvious production of thrust comes from pushing back on the water a paddle wheel. 19. If the propulsion system is via the water, (e. g. water jet, paddle wheel etc), then a separate parking brake must be provided. 20. But to point out that the true inventor of paddle wheel is also the Chinese people, than Fulton as early as 1,000 years. 21. Cruise ship is also called OARS, it is in the ship's side or tail blades mounted with the OARS, rely on human pedaled paddle wheel axles, make the blades and push forward to dial hull. |
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