Sharp dents in the cylinder can break up the filler in the area of the dent and cause voids where free acetylene can accumulate and decompose at cylinder pressures.

• 钢瓶内尖锐的凹陷会扎破凹陷附近的填充物，产生空隙。自由乙炔会积聚在在空隙处，并在钢瓶压力下分解。