in factories, workers use fire to melt metals make things of different shapes.
工厂里,工人们用火熔化金属来制造各种不同形状的产品。
testing has shown silane can burn with a flame that cannot ignite paper or with an intensity that will melt metals like brass and aluminum.
试验显示,硅烷燃烧的火焰或者不能点燃纸张,或者其强度可以熔化象黄铜和铝一样的金属。
as the planets congealed, gravitational forces and particle collisions created the high temperatures necessary to melt metals floating around in space, and minerals began their diversification.
行星凝聚过程中,重力和微粒碰撞造就了高温环境,这对融化漂浮在太空中的金属粒子是必需的,各种矿物也开始形成。
in factories, workers use fire to melt metals to make things of different shapes.
在工厂里,工人们用火熔化金属,以制造各种形状的物品。