摘要
Gas is the blood of modern industry.It is in extensive use in almost every sector of the national economy,such as machinery,petroleum,chemical engineering,fire protection,medical care,energy,urban construction,food,metallurgy,electronics,automobile,and residential living.It is safe to say that where there is industry,there is gas.
作者
无
刘宏博(编译)
无;Liu Hongbo(Chinese version provided by SAC/TC 31 on gas cylinders;不详)
