| 释义 |
steam engine
noun
1. : an engine driven or worked by steam; specifically : a reciprocating engine consisting essentially of a piston driven in a closed cylinder by steam at a pressure initially much greater than that of the atmosphere and usually connected rigidly by a piston rod to a crosshead whose reciprocating motion is usually converted into rotary motion by a connecting rod, crankpin, crank, and crankshaft — compare steam turbine
2. : locomotive |