单词：quaternary liquid system
quaternary liquid system的用法和样例：
例句
- In a direct liquid system, city water circulates through the collector.在直接液体系统中，城市水循环通过收集器。
单词：quaternary liquid system 相关文章
In a few years more the milk-teeth begin to go. 几年之后, 乳牙开始掉落。 Another set of teeth, called the permanent teeth, is growing, one under each of the milk-teeth, and pushing out the first set. 另一套牙齿从原来的位置上长出
英国学生科学读本
Is it necessary to have cavities in the baby teeth repaired? 乳牙蛀成了洞还有必要补上吗？ If the baby teeth are going to fall out, I don't think that it matters if they become decayed. 如果乳牙是要脱落的，我想蛀了也没有关
口腔临床英语对话
The Basque separatist group ETA has declared a permanent ceasefire. The group has waged a violent campaign to form an independent state in northern Spain and southwest France. A video posted on the website of Basque newspaper Gara shows masked people
VOA标准英语2011年(一月)
Astronauts(宇航员) aboard the International Space Station have installed a new permanent storage unit, creating an additional 70 cubic meters of cargo space and a new venue in which to conduct experiments. Crew members on Tuesday used the space st
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Chicago Protesters Look for Permanent Home Violence has flared up again in Oakland, California, where police and Occupy protesters have clashed. However, the protests around the country have been largely peaceful, including in the city of Chicago, wh
VOA标准英语2011年(十一月)
今天我们要学的词是 permanent. Permanent 永久性的。British Finance Minister George Osborne warned voters that leaving the European Union would do permanent damage to the British economy. 英国财政大臣奥斯本警告英国选民，离开
英语单词荟萃