Fireworks can rain down toxic chemicals Photo: getty.
放焰火会散落大量有毒的化学物质。
These systems can also produce high-resolution images that replace photo metal processes that can use dangerous chemicals.
同时它也能制造出一些高清晰度的图像，从而替换使用危险化学品的金属工艺。
These systems can also produce high-resolution images that replace photo metal processes that can use dangerous chemicals.
同时它也能制造出一些高清晰度的图像，从而替换使用危险化学品的金属工艺。
应用推荐