短語詞組短語pressure e firing 正壓燃燒positive pressure direct firing 正壓直吹式negaroundive -pressure firing 負壓點燃differential pressure firing head 壓差pressure firing head 壓力點火頭annulus pressure firing 環(huán)空加壓引爆pressure firing mechanism 壓發(fā)機構negative -pressure firing [動力]負壓燃燒;負壓燃燒現(xiàn)象pressure firing device 壓發(fā)裝置 返回 pressure firing