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...
The selectivity of extractant is high and only Au, Pd , Hg ete. are extracted.该萃取剂选择性高,它仅萃取Au 、 Pd和Hg等几种元素.An extractant - screening method with a vapor - liquid equilibrium apparatus in the extractive distillation was i...
这位战士抓住一条非常结实的绳子很快地向高处爬去.The soldier climbed very quickly catching on a very strong rope.剧场: 沿墙分布的防水地灯照亮墙面,光线由墙的根部向高处扩散,使其渐渐隐逝在黑暗中.Theater: waterproof floor lamps along the walls lighten the surfaces of walls.大家欢快地踏上了那条向高...