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If I still want to be on stage, Charming speakers are eager to let their thoughts and concepts be accepted and spread widely. I must open the "door of change" from the inside out, have a strong will to change and improve my speech ability, then find good guidelines for good speech, practice deliberately, and internalize good speech guidelines into habits.At that tail of the warhead, the drag armour-piercing firebomb is filled with a drag agent and a fireagent, Under the pressure of propellant propelling warhead, it will spontaneously ignite to produce open flame, So it can break through the oil drum and ignite or detonate the gasoline. However, the old-fashioned traced armour-piercing firebombs have obvious trajectories due to traced light when they are launched. Therefore, it is very easy to expose oneself while pointing targets to friendly forces. Therefore, the new tracer armour-piercing firebombs now equipped all start to burn and emit light only after the projectile flies out of the muzzle for a certain distance (the generally set safe distance is 100 meters, which makes it impossible for the enemy to judge the firing position with tracer ammunition, while targets within 100 meters do not need to be indicated by tracer), The principle is generally to ignite the tracer and combustion agent carried by the projectile by accumulating the heat generated by the warhead's friction with the air after flying for a certain distance to a certain extent.一会吵一会好的，没事儿。バーチャル・リアリティ 錦織一清 小野寺　昭A hole in which metal is deposited on the wall.不定期バスの客 中居正広 佐藤仁美