不用说，所有这些都是从电台报道中采集来的二手材料。All this, needless to say, had been culled second-hand from radio reports.这份材料里只有一些已公开的、非保密性质的信息。The material consisted only of already published, unclassified information.把你需要的工具和材料开一张单子。Make a ...
与媒介染料相比,用活性染料对拉细羊毛染色可获得更好的效果.Reactive dyes exhibited better dyeing properties than mordant dyes on attenuated wool.摘要研究澳大利亚半细羊毛和细旦涤纶纤维混纺工艺技术.Blending technology of Australian medium wools and fine denier polyester fibers...
When the Berlin Wall came down it wasn't just the roads that opened up but the waterways too.柏林墙一倒，不仅是陆路，连水路也开通了。The city is intersected by three main waterways.该城市由3条主要水路贯穿。On the other hand, federal regulation has...
Gear lubricants may congeal and channel in cold weather.天气冷时齿轮润滑油可能凝结而形成凹槽.In order to assess the friction of lubricants on multifilament yarns , finish - free yarns are required.为了评定润滑剂对复丝纱摩擦所起的作用, 要求用不带整理剂的纱作试验.Acting ...
他是来自德累斯顿的金工工匠。He was a crafts-man in metalwork from Dresden.她在肩上挂上两件精美的金工饰品.On her shoulders she wore two ornaments exquisitely set in gold - work.本文扼要总结金工实验教学的建设与教学效果.This article briefly summarized the construction and...