Other causes include loss of antifoam additives, suction leaks, poor reservoir design, using the wrong viscosity or using too much antifoam additive.
其他原因包括抗泡沫添加剂丧失，吸入泄露，蹩脚的油箱设计，粘度不对，或防泡沫添加剂使用过量。
And also puts forward improving measures for reducing hydraulic loss in suction piping and installing low speed prime pump in suction system.
在合理确定吸入系统的装置方面，提出了减少吸入管路的水力损失和在吸入系统安装低速前置泵的改进措施。
It is regarded that the wetting deformation is generated by the loss of matrix suction, and a constitutive relationship between lost matric suction and wetting deformation deduced.
认为湿化变形是由基质吸力丧失而产生，由此推导出丧失基质吸力与湿化变形的定量关系。
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