gasket
noun [ C ] uk/ˈɡæs.kɪt/ us/ˈɡæs.kɪt/
垫圈；密封片，密封垫
a flat piece of soft material or rubber that is put between two joined metal surfaces to prevent gas, oil, or steam from escaping
The gasket has blown (= allowed gas, oil, or steam to escape). 密封片坏了。
See also: blow a fuse/gasket