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单词 piston packing
释义

Definition of piston packing in English:

piston packing

noun

  • 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 packing

noun

  • 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.
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更新时间：2025/2/7 12:07:50