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图中出现的是第一次世界大战中在战斗工事中射击的机枪射手。这种机枪是重机枪,枪身较重,需要两个人才能把枪身和三脚支架分别带走。这种机枪的特点是能够连续发射子弹,火力强,是步兵武器中的主角。由于连续发射子弹,机枪枪管很快就会烧红。为了给枪管降温,人们在机枪的枪管外套了一个圆型水管,在使用前注满水。这就是我们在图中见到的圆筒部分。这种重机枪在使用时需要两个人操作,一个是射手,一个是装填、输送子弹袋的副手。图中的射手佩戴着防毒面具。第一次世界大战开创了使用化学武器的先例。毒气首先由德国在东线使用,但德军
Shown in the picture is a machine gun shooter who shot at a combat station during the First World War. This machine gun is a heavy machine gun, gun body heavier, two people need to take the gun body and tripod separately. This machine gun is characterized by continuous firing of bullets, firepower, is the protagonist of infantry weapons. Due to the continuous firing of bullets, machine gun barrel will soon be red. In order to cool the barrel, people in the machine gun barrel coated with a round tube, filled with water before use. This is the part of the cylinder we saw in the picture. This heavy machine gun requires two people to use the operation, one is a shooter, one is filled, delivery deputy of the bullet bag. The shooter in the picture is wearing a gas mask. World War I set a precedent for the use of chemical weapons. The gas was first used by Germany on the east, but the Germans