span-20

常见例句

The optimal HLB was found to be 11.76 by evaluation of 10% butachlor EW, which was emulsified by the different HLB emulsifier consisted of Span 20 and Tween 20. According to the optimal HLB, different emulsifiers were studied.
对10%25丁草胺水乳剂;采用Span20和Tween20复配系列不同HLB乳化剂的方法;发现水乳剂体系的最佳HLB值为11.;76。
The time that the bribery scandal that is exposed this spanned 20 years.
此次被揭露的贿赂丑闻跨越了20年的时间。
Circle of the Empyreal sovereignty now spans 20 star systems within 100 light years of New Delta with a total population of 16.5 billion Centaurus citizens.
崇高界政权在在一百光年之内，扩展了20个行星系统，半人马星座居民的总数达到163亿。
Modern medicine has increased man's life span.
现代医学延长了人的寿命。
The arch has a span of 60 metres.
那个拱的跨度为60米。
He has settled here for a long span of time.
他已经在这儿定居很长一段时间了。