Niskin water sampler

例句：

1. 1. The Niskin water sampler is a popular tool for collecting water samples from rivers and lakes.
   尼斯基尔水样采集器是收集河流和湖泊水样的热门工具。
2. 2. The Niskin water sampler was invented by Dr.Niskin in 1950 to help scientists study the water quality of their research areas.
   尼斯基尔水样采集器是由尼斯基尔博士在1950年发明的，旨在帮助科学家研究他们研究区域的水质。
3. 3. The Niskin water sampler is easy to use and can collect high-quality water samples quickly.
   尼斯基尔水样采集器易于使用，可以快速收集高质量的水样。