| 释义 |
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、抽水机等中的)活塞(借活塞杆 piston-rod, 以传递或承受运动)。 → the illus at motor, 参看 motor 之插图。 '~ engined, (of aircraft) having engines with ~s (contrasted with jet engines). (指飞机)装活塞引擎的(与喷射引擎相知。 '~ ring n split metal ring used in a ~ to make a gastight joint. 活塞胀圏; 活塞环。 |