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Liquefied gas is one of the main energy sources widely used by urban and rural residents. The heating value of liquefied gas per kilogram of bai is 11,000 kcal, the specific gravity of gaseous liquefi....
1. Liquefied gas cylinders must be inspected and qualified by the technical supervision department of bai, and cannot be filled and used without inspection. During the ventilation, the user should con....
