density
A、n.密集,稠密,密度
B、This is the minimum density of flammable vapors in air. If the density was lower, when an ignition source touched the gas, it would not cause the spread of flame.
发布时间:2025-02-18 16:44:42
A、n.密集,稠密,密度
B、This is the minimum density of flammable vapors in air. If the density was lower, when an ignition source touched the gas, it would not cause the spread of flame.