例句與造句

1. Each spring buoy weighs approximately, is long and in diameter, provides a net buoyancy of 7?tons, and can withstand 125 tons of pull-through force.
2. Flights began with the airship either attached to the slingload, or tethered, and allowed to rise until the net buoyancy is transferred to the tether or the load.
3. Each spring buoy weighs approximately 3100 pounds, is long and in diameter, provides a net buoyancy of 7?tons, and can withstand 125 tons of pull-through force.
4. Folks interested in the prospects of super-strong materials which may be made possible by nanotechnology think that some kind of diamond-fullerine-something stuff might be strong enough and light enough that it could hold its volume against air pressure and be so light that there would be a + ve net buoyancy.
5. It's difficult to find net buoyancy in a sentence. 用net buoyancy造句挺難的