ring-and-ball apparatus meaning in English
环球仪
Examples
- Standard test method for softening point of bitumen ring - and - ball apparatus
沥青软化点标准试验方法 - Standard test method for softening point of bitumen ring - and - ball apparatus
沥青软化点测定法环球法 - Standard test methods for softening point of resins derived from naval stores by ring - and - ball apparatus
用环球仪测定从松脂制品中取得的树脂的软化点的标准试验方法