| 1. | An amendment should decrease bulk density, increase total porosity, and increase water and air content .
改良剂能降低堆积密度，增加总孔隙度，增加水和空气的含量。 |
| 2. | Testing fresh concrete - air content - pressure methods
新浇混凝土试验.空气含量.压力法 |
| 3. | Testing fresh concrete - part 7 : air content - pressure methods
新鲜混凝土试验.第7部分:空气含量.压力法 |
| 4. | Standard test method for air content of hydraulic cement mortar
水硬性水泥用灰浆的空气含量的标准试验方法 |
| 5. | Method of test for air content of fresh concrete by pressure method
用压力法测定新浇混凝土空气含量的试验方法 |
| 6. | Method of test for air content of fresh concrete by volumetric method
容积法测量新浇混凝土中空气含量的试验方法 |
| 7. | Standard test method for unit weight , yield , and air content gravimetric of concrete
混凝土的单位重量分析屈服点及空气含量测定 |
| 8. | Air content test
含气量试验 |
| 9. | Method of test for unit mass and air content of fresh concrete by mass method
用质量法测试新浇铸混凝土的单位质量和空气含量的试验方法 |
| 10. | Testing fresh concrete - part 7 : air content ; pressure methods ; german version en 12350 - 7 : 2000
新浇混凝土试验.第7部分:空气含量.压力法 |
