短語詞組短語Lever Delayed Blowback 杠桿延遲后噴式Gas Delayed Blowback 氣體延遲后噴式Mechanical Delayed Blowback 機械延遲后噴式roller -delayed blowback 滾輪延遲反沖式Roller Delayed Blowback 滾輪延遲后噴式Toggle Delayed Blowback 折疊連桿延遲后噴式gas -delayed blowback 氣體延遲反沖式Roller r delayed blowback 滾輪延遲反沖式 返回 delayed blowback