Best choice for low pressuresealing, lowest torque of all TFE polymers.
低压密封的最好选择，所有TF E聚合物的扭矩最低。
2
The safe production in coal face is directly influenced by the low pressuresealing quality of hydraulic props.
单体液压支柱低压密封质量，直接影响到工作面安全生产。
3
The design of D-shape shearing bolts in high-pressuresealing structure was discussed and compared with the design of tensile bolt and general shearing bolt.