例句與造句

1. The reliability of direct drive turbines offshore is still not known, since the sample size is so small.
2. Additionally, the large wind turbine manufacturer Enercon GmbH chose very early not to use permanent magnets for its direct drive turbines, in order to avoid responsibility for the adverse environmental impact of rare earth mining.
3. Each propeller shaft was connected to a high-pressure turbine, a medium-pressure geared turbine, and a low-pressure turbine for forward steaming, and a direct drive turbine for steaming in reverse.
4. Most of the ships'direct drive turbines were arranged as in the " Smith " class on three shafts, with a high-pressure center turbine exhausting to two low-pressure turbines on the outboard shafts.
5. Even after the introduction of geared turbines, efficiency of even the largest axial steam turbines was still below 12 percent . " Turbinia " was even less efficient, with its direct drive turbine moving with a tip speed of just 30 meters per second.
6. It's difficult to find direct drive turbine in a sentence. 用direct drive turbine造句挺難的
7. As of 2016 Siemens Wind products include 2.3, 3.6 and 4.0MW geared turbines; and 3.0, 3.2, 3.3, 3.4, 6.0 and 7.0 MW direct drive turbines.
8. Four direct drive steam turbines were proposed, as in the " Bretagne " class; the other option was a hybrid system that used a pair of direct drive turbines on the inner two propeller shafts, and two reciprocating steam engines on the outer shafts for low-speed cruising.
9. All ships were coal fired and all but three had triple expansion steam engines; " Eden ", " Stour " and " Test " were powered by steam turbines . " Eden " was given turbines to test their viability for future destroyer classes, with two propellers on each of her three shafts, to transmit the power at the high revolutions of the direct drive turbines, a feature of the earlier " Turbinia ".
10. The two battleships of the " Nevada "-class were virtually identical except in their propulsion . " Nevada " and her sister were fitted with different engines to compare the two, putting them'head-to-head': " Oklahoma " received older vertical triple expansion engines, which had proven more fuel-efficient and reliable than the direct drive turbines of some earlier battleships, while " Nevada " received geared Curtis steam turbines.
11. Four of " Bretagne " s boilers were converted to oil-firing in 1924, and half of " Provence " s boilers in the rear boiler room were similarly converted in 1927 . " Bretagne " subsequently had six new oil-fired boilers to replace the rest of the old coal-fired boilers, and her direct drive turbines were replaced with Parsons geared turbines . " Provence " was similarly modified in 1931 1934 . " Lorraine " s propulsion system was improved in a similar pattern.