“first fire”的概念、定义、翻译、参考文献-科学参考

单词	first fire
释义	first fire [¦fǝrst `fīr] ^ENGINEERING The igniter used with pyrotechnic devices, consisting of first fire composition, loaded in direct contact with the main pyrotechnic charge; the ignition of the igniter or first fire is generally accomplished by fuse action.
随便看	choke coil choke coupling choke crushing chokedamp choked disk choked flow choked neck choke filter choke flange choke input filter choke joint choke piston choke ring choke valve choking choking gas choking Mach number cholagogic cholagogue cholaic acid cholane cholangiogram cholangiography cholangiolitis cholangioma

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