通过试验观察，提出了基于磁性链上磁液表面张力的磁流体密封模型。
The model of magnetofluid seal based on the surface tension of magnetofluid on the magnetic chains was deduced with some experiments related.
采用密封设计准则，通过试验确定了金属缠绕式垫片的垫片系数，在此基础上，按照PVRC新方法对法兰螺栓载荷进行了计算。
The sealing design criteria to measure the factors of spiral wound gasket were adopted, based on this bolt loads of flange can be determined by using the new PVRC method.
根据零件图试制双台肩钻具接头，对其进行上卸扣试验和水压密封测试。
We manufacture the tool joint, make the seal test and make-and-break test.
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