| 单词 |
single-acting |
| 释义 |
single-acting, ppl. a. [f. single a. 20 b.] Acting in one direction or by one method, spec. of a steam-engine (see quot. 1875). Opposed to double-acting.
1825J. Nicholson Operat. Mechanic 174 The double-acting engine..exerting twice the power of the single-acting engine. 1869Rankine Machine & Hand-tools Pl. F 3, Single-acting hammers are those which are raised by the pressure of steam, and fall by gravity alone. 1875Knight Dict. Mech. 2187/1 Single-acting Engine, an engine in which steam is admitted to one side only of the piston. |

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