high air content

• 含气量

high air content的用法和样例：

例句

1. Concrete air content test equipment.
   混凝土含气量测定仪。
2. The main elements from aspects of Silicon content and dissolvability of hydrogen determine the change of secondary blowhole quantity.
   研究合金成份和原始含气量对生成二次气孔的影响。