控制燃烧光电继电器

direct with burning cartridge for internal-combustion engines

cleanings of combustion engines having fitments facilitating their cleaning

constant-volume-combustion gas-turbine plants

combustion engine with prolonged expansion

annular combustor【动力】;annular-combustion chamber【动力】;annulus combustion chamber【动力】

resonant combustion chamber in resonant combustion chambers

fuel-injection apparatus combined with intake valve for combustion engines

combustion engine characterised by having oblique crank