n. 衬垫, 垫圈, 束帆索

[化] 垫圈; 垫片; 密封衬垫; 密封填料

[ noun ]
seal consisting of a ring for packing pistons or sealing a pipe joint
<noun.artifact>

Gasket \Gas"ket\, n. [Cf. F. garcette, It. gaschetta, Sp. cajeta
caburn, garceta reef point.]
1. (Naut.) A line or band used to lash a furled sail
securely. {Sea gaskets} are common lines; {harbor gaskets}
are plaited and decorated lines or bands. Called also
{casket}.

2. (Mech.)
(a) The plaited hemp used for packing a piston, as of the
steam engine and its pumps.
(b) Any ring or washer of made of a compressible material,
used to make joints impermeable to fluids.