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...
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...
Nina drowsed for a while.尼娜打了会盹。He drowsed in the sun.他在阳光下打瞌睡.He drowsed off, but then woke up abruptly, as though someone had called his name.他打了个盹, 但突然又醒了, 好像是有人在喊他的名字....
...the internationally agreed rules of chemical nomenclature.国际公认的化学命名规则It developed variations in nomenclature and in substance.它在名称上和实质上都发生了一些变化.Multiply unsaturated compounds are usually best named by the IUPAC nomenc...
Medical facilities are being reorganized and upgraded.正在对医疗设施进行重组和升级。She sent her provisional licence with the test certificate to have it upgraded to a full licence.她将临时执照连同考试证书一起提交上去以申请升级为正式执照。You can pay to be upgrade...