所使用的氧气瓶、乙炔瓶有爆炸危险。
The air tank and acetic tank that been used has the potential of explosion.
他认为他的发明可取代乙炔在焊接工厂。
He thought his invention could replace acetylene in welding factories.
乙炔及其它燃料应远离火种或火源，避免高温。
Acetylene and other fuel away from fire or flame, to avoid the heat.
使用重量（不是压力）来确定钢瓶内乙炔的数量。
Weight (not pressure) is used to determine the amount of acetylene in a cylinder.
此外，在紧急情况下可将焊炬上的乙炔胶管拔下来。
In addition, in case of emergency can be acetylene torch on the pull down hose.
机枪在黑暗中吐出一道凶厉的白光，活象一支喷火的乙炔吹管。
In the darkness, the machine gun spat a vindictive white light like an acetylene torch.
因此，采用自行研制的高效乙炔化催化剂是降低生产成本的关键。
The highly active catalysts for ethynylation are the key to lower production cost.
介绍了煤等离子热解制乙炔的工艺原理，考察了煤热解的影响因素。
The principle of the process and the influences on coal pyrolysis were reviewed.
介绍了煤等离子热解制乙炔的工艺原理，考察了煤热解的影响因素。
The principle of the process and the influences on coal pyrolysis were reviewed.
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