EHVFS06-01,EHVFS08-03,EHVFS10-02,EHVFS12-02,EHVFS06-02,空气由螺纹端流向插管端接头
EHVFS06-03,EHVFS08-01,EHVFS08-02,EHVFS10-03,EHVFS10-04,EHVFS12-03,EHVFS12-04,
EHVFS06-01B,EHVFS08-03B,EHVFS10-02B,EHVFS12-02B,EHVFS06-02B,EHVFS06-03B,
EHVFS08-01B,EHVFS08-02B,EHVFS10-03B,EHVFS10-04B,EHVFS12-03B,EHVFS12-04B,