煤气: coal gas; gas喷: time on the market; in seaso ...出口: exit拱顶: vault; apex of arch; bow of ...空气喷出口拱顶: air port arch喷出口拱顶: port arch煤气喷出口: gas end; gas port煤气喷出口大砖: gas port block进料口拱顶: charging dome喷出口: blowout; ejiction opening空气喷出: air bursting矿穴气喷出: nest outburst; nestoutburst沼气喷出: methane outburst喷出口顶: port roof喷出口端墙: port end瓦斯喷出口: gas blower煤气喷灯: bunsen burner; gas arc lamp; gas burner煤气喷管: gas-jet tube煤气喷咀: gasburner煤气喷口: gas port煤气喷枪: gas pistol煤气喷头: gas-jet煤气喷嘴: gas jet; gasburner; shielding cup; spud煤气灶，煤气灯；煤气喷嘴，煤气火焰。: gas burner煤气喷嘴，煤气火焰。: gas jet
