| 单词 | steam-turbine |
| 释义 | > as lemmassteam-turbine b. More fully steam-turbine: A steam motor in which rotatory motion is produced by steam impinging directly upon a series of vanes upon the circumference of a revolving cylinder or disk (or, in some types, acting and reacting alternately on moving and stationary elements). ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > turbine > [noun] > driven by steam turbine1900 1900 Engineer 2 Feb. 127/3 The main applications of the De Laval steam turbine are:—(1) Turbine motors, driving machinery direct by means of belts or ropes; (2) Turbine dynamos, the dynamos being placed on the second motion shafts or a prolongation of the same; (3) turbine pumps..and (4) turbine exhaust and pressure fans or ventilators. 1900 N. Brit. Daily Mail 30 Jan. 4 That is the whole secret of the turbine. In the modern application of it the steam blows upon the shaft and the shaft turns, and by an ingenious application of blades the steam which enters the first turbine when it leaves the boiler at a pressure of 225 lbs. to the square inch is utilised till the value of the last pound is all used up. 1905 Westm. Gaz. 16 Mar. 10/1 The dynamo is coupled directly to a Parsons turbine, which has introduced great changes and great economies in the driving of huge electrical plants. < as lemmas |
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