谁不曾有过这样的梦想:潜入水中,在那水的世界里自由自在地遨游?的确,这是数千年以来人类美好的追求。其实在很早以前古希腊就有这样的“潜水员”,他们头上罩着金属盔甲,利用不透水的皮管,深入水底,捕捞鱼儿,拾紫色贝壳、牡蛎和铜矿。他们身上的这副装束,可说是现代水中呼吸器 Who never had such a dream: diving into the water, swimming freely in the water world? Indeed, this is the good pursuit of mankind since thousands of years. In fact, a long time ago, there were such “divers” in ancient Greece. They covered metal helmets with impervious leather tubes, penetrated the water, caught fish, picked purple shells, oysters and copper mines. This pair of costumes on their body, can be said that modern respirators