| 釋義 |
piston /'pistan; 'pistn/ n round plate or short cylinder of wood or metal, fitting closely inside another Cylinder or tube in which it moves up and down or backwards and forwards, used in engines, pumps, etc to impart or receive motion by means of a rod, called a ' ~- rod. (引擎、抽水機(jī)等中的)活塞(借活塞桿 piston-rod, 以傳遞或承受運(yùn)動(dòng))。 → the illus at motor, 參看 motor 之插圖。 '~ engined, (of aircraft) having engines with ~s (contrasted with jet engines). (指飛機(jī))裝活塞引擎的(與噴射引擎相知。 '~ ring n split metal ring used in a ~ to make a gastight joint. 活塞脹圏; 活塞環(huán)。 |