Owing to the pump structure and side clearance between screw, it can transport non-lubricative medium.
由于这种泵的结构和螺杆间存在的侧间隙，它可以输送非润滑性介质。
For decreasing the leakage and improving the efficiency of the cavity, the self-lubricative seal element is installed in scroll tooth.
为了减少泄漏损失，提高工作腔的工作效率，在涡旋齿端面加由自润滑材料制成的密封条。
It constructed the math model of the ship shafting transverse vibration and the lubricative capability calculation of stern tube bearing.
分别构建了船舶轴系横向振动和船舶尾管轴承润滑性能计算的数学模型。
It constructed the math model of the ship shafting transverse vibration and the lubricative capability calculation of stern tube bearing.
分别构建了船舶轴系横向振动和船舶尾管轴承润滑性能计算的数学模型。
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