smokeless powder造句怎么写

nitrocellulose containing a relatively large amount of nitrogen; highly explosive; used in making smokeless powder.

"Chemical explosives are of two types: detonating (high) explosives (e.g., TNT, dynamite) have extremely rapid decomposition and development of high pressure; deflagrating (low) explosives (e.g., black powder, smokeless powder) merely burn quickly and produce relatively low pressure."

My cousin blushed ashamedly and dared not raise his eyes. It was like a student who had not prepared his homework and came across a random examination by his teacher.

It became obsolete in the 1880s when the invention of smokeless powder led to development of a truly automatic machine gun.

A cellulose nitrate used as a component of smokeless powder.

Neither of the above substances gives smokeless powders an intense coloration.