单词	发射阀
释义	发射阀firing valve
随便看	elementary theory of numbers elementary theory of probability elementary transcendental function elementary transformation elementary unit elementary user elementary volume elementary wave elementary wave function elementary work element association element (astronomical) element, atmospheric element bio-absorbing series element-- blocking element-- bone-seeking element breakdown element breakdown accident element burnout accident element-- cartridge element, chemisches element-- cluster-type fuel element complexity element composition element concentration