compact soil是什么意思

用法例句

Approach to sand-shooting compact principle and mechanism;

射砂紧实机理与机构的探讨

Research on the Method and Device for Fast Testing Permeability and Compactability of Green Sand and Compaction of Mould;

湿型砂透气性、紧实率及铸型紧实度快速测定方法与装置研究

The research of microcomputer controll sand compactability system;

型砂紧实率微机控制系统的研究

This system can be used to test the properties of the moulding sand on line, such as sand compactability, green compressive strength, and sand temperature, and to control the actual.

该系统能够用于在线检测型砂的紧实率、湿压强度和砂温等性能 ,并且能够根据检测结果通过控制补加水量将型砂紧实率控制在设定的工艺范围之内。

Research on the Method and Device for Fast Testing Permeability and Compactability of Green Sand and Compaction of Mould;

湿型砂透气性、紧实率及铸型紧实度快速测定方法与装置研究

This study evaluated urban soil compaction degree by comparing three compaction indexes, i.

通过测定南京市不同土地利用下的52个样点的紧实度、容重和孔隙度3个压实指标来反映城市土壤的压实程度。

Permeability, compactibility and mould compaction are important performance characteristics of green sand and mould.

透气性、紧实率及铸型紧实度是湿型粘土砂及砂型的重要性能指标。

The connection between sand vibration compaction,vibration parameters and negative pressure is obtained.

研究了消失模铸造干砂振动紧实的规律性 ,设计了测定干砂紧实的实验装置——拔出力实验装置 ,得出了干砂振动紧实、振动参数以及负压度之间的关系。

In order to achieve the satisfied sand compacting effect for complex LFC patterns, the combination and change of different vibrating modes would be put up.

为了较好地实现复杂消失模模样振动紧实的目的 ,紧实过程中 ,可根据铸件消失模模样的形状特点 ,进行振动模式的不同组合与变换 ,以求得满意的紧实效果。