hydraulic spring grease cup 水力弹簧油杯
hydraulic spring typ 液体弹簧式
air-hydraulic spring 气体液压弹簧
hydraulic spring drive 碟簧储能液压操作机构
Pneumo-hydraulic spring 液力空气弹簧
hydraulic spring rigidity 液压弹簧刚度
hydraulic spring stiffness 液压弹簧刚度
hydraulic spring eye machine 液压卷耳机
hydraulic spring operating mechanism 弹簧贮能液压操作机构
Fracking tremors a British energy company says that its hydraulic fracturing (' fracking ') project probably caused the cluster of small earthquakes that struck Lancashire, UK, this spring.
水力压裂法引起轻微地震一家英国能源公司说，可能是它的水力压裂工程导致了今年春天英国兰开夏州一连串轻微的地面震动。
Steering clutch: multiple-disc oil powder metallurgy disc compressed by spring. hydraulic operated. brake is oil two direction floating band brake operated by mechanical foot pedal.
转向离合器为湿式、多片粉末冶金摩擦片、弹簧压紧、液压分离。制动器为湿式、浮动、双向带式、脚踏式机械操纵。
The varying trend of whole process can be used to reflect the varying characteristics of nonlinear spring of moving hydraulic cylinder.
关联维数的全程变化趋势可以反映液压缸运行过程中非线性弹簧的变化特征；
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