High electricity bills point to a poor heating system or bad insulation.高额电费开支说明供暖系统不足或建筑隔热材料不良。They lived in happy insulation from brutal facts.他们幸福地生活在不受残酷现实干扰的世界里。A wet suit provides excellent insulation.湿式潜水服有极佳的隔热性能...
Investigated charring erosive characters of internal insulation of solid rocket motor under flight acceleration.研究了固体火箭发动机内绝热层在飞行加速度条件下的炭化烧蚀特性.Understands high efficiency gating and gradient cooling techniques via mold i...