stroke deviceの例文

• The engine has near isothermal cylinders because 1 ) the heater area covers the entire cylinder end, 2 ) it is a short stroke device, with wide shallow cylinders, yielding a high surface area to volume ratio, 3 ) the average thickness of the gas space is about 0.1 cm, and 4 ) the working fluid is Helium, a gas having good thermal properties for Stirling engines.