短語(yǔ)詞組短語(yǔ)stable firing chamber 穩(wěn)燃腔firing drawing -chamber 燒爐first -stage firing chamber 一級(jí)燃燒室rocket thrust -chamber firing 火箭發(fā)動(dòng)機(jī)點(diǎn)火試騐 返回 firing chamber