释义 |
Definition of piston packing in English: piston packingnoun 1Any material used for filling the space between a piston head and the cylinder within which it moves, so as to prevent steam, air, etc., leaking out. 2A mechanical device for inserting such packing material around a piston head.
Origin Mid 19th century; earliest use found in Scientific American. Definition of piston packing in US English: piston packingnoun 1Any material used for filling the space between a piston head and the cylinder within which it moves, so as to prevent steam, air, etc., leaking out. 2A mechanical device for inserting such packing material around a piston head.
Origin Mid 19th century; earliest use found in Scientific American. |