用groove face造句子，“groove face”造句

Integral steel pipe flanges with tongue and groove face for PN4.0MPa(40 bar)

Steel pipe blank flanges with tongue and groove face for PN 15.0MPa (150 bar)

Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN 5.0MPa (50 bar)

The finite element method was used to solve the two-dimensional Reynolds equation for getting the gas film pressure distribution between the two faces of a spiral-groove face seal (S-DGS). The static sealing performances, such as gas film stiffness and leakage rate were determined.