| 单词 | piston wheel |
| 释义 | > as lemmaspiston wheel piston wheel n. (a) a wheel or rotating disc carrying at its outer margin one or more pistons; (b) (in a chain pump) a wheel carrying an endless chain bearing piston pumps. ΚΠ 1849 Sci. Amer. 29 Dec. 118/2 The method of operating the steam stops or abutments, by a crank motion derived from the rotation of the piston-wheel. 1999 Diesel Progress (Nexis) 1 Sept. 60 Each Sauer-Sundstrand axial piston wheel motor is mounted to..final drives attached directly to the mainframe. < as lemmas |
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