...
2025-08-14 08:14
422
...
2025-08-14 07:33
2089
...
2025-08-14 07:32
233
...
2025-08-14 07:32
271
...
2025-08-14 07:31
80
...
2025-08-14 07:20
1342
...
2025-08-14 06:59
312
...
2025-08-14 06:48
2077
...
2025-08-14 06:10
2206
...
2025-08-14 06:00
176
As shown in Figure 1, sealing devices come in two types: contact and non-contact.
Oil seals are among the major contact type sealing devices.
3