美中试验材料协会 meaning in English
american society for testing materials
Examples
- American society for testing materials
美中试验材料协会 - Theastm rankings for bituminous coal , sub - bituminous coal , or lignite fit the spreader combustion process well
美中试验材料协会根据煤在燃烧时的性能把煤分为烟煤，次烟煤，褐煤几个等级。