ejection cartridgeimpulse cartridgepowder cartridgepower ejection charge弹射: catapult; launch; shoot off; ...弹: shoot; catapult电燃弹射弹: electrically initiated ejection cartridge辅助弹射弹: auxilliary cartridge主弹射弹: primary cartridge下载手机词典可随时随地查词查翻译
