The wear volume of bone cement samples in the calf serum medium is larger than that in the air and increases with the contactload increase.
骨水泥试样的磨损量在小牛血清介质中比在空气中大，并且随接触载荷增大而增大。
2
Description: Small size, light weight. Low coil power consumption, heavy contactload. Strong anti-shock and anti-vibration, high reliability, long life.
中文描述：体积小，重量轻。线圈功耗低，重接触载荷。强抗休克，抗振动，可靠性高，寿命长。
3
The structure deformation of old metro station and ground settlement in proximity by vehicle contactload is analyzed during the deep excavation of nearby new transfer metro station.