portfires的翻译，读音
释义：
(portfire 的复数) n. 点火装置
plural of portfire
n. A case of strong paper filled with a composition of
niter, sulphur, and mealed powder, -- used principally to ignite the
priming in proving guns, and as an incendiary material in shells.
plural of portfire
n. A case of strong paper filled with a composition of
niter, sulphur, and mealed powder, -- used principally to ignite the
priming in proving guns, and as an incendiary material in shells.