密度梯度管 meaning in English
density gradient column
density gradient tube
Examples
- Plastics - methods for determining the density of non - cellular plastics - density gradient column method
塑料.非泡沫塑料的密度测定方法.密度梯度管法 - Plastics - methods for determining the density of non - cellular plastics - part 2 : density gradient column method
塑料.非泡沫塑料的密度测定方法.第2部分:密度梯度管法