他的头发淋雨后紧贴在头皮上。His hair was plastered down to his scalp by the rain.他已经把头发剪得贴头皮了。He had already clipped his hair close to the skull.大量体热通过头皮散失。A lot of body heat is lost through the scalp....
因此, 在超高温条件下石墨的隔热性能是很可靠的.Therefore, in the - high temperature graphite insulation performance is very reliable.适应于超高温、超高压工况的阀门密封.Designed for temperature valve with high pressure.本文设计了新型 Nb 硅化物基超高温合金的成分,并采用真空自耗电弧熔炼法制备了其母合...