| |||
ring type joint | |||
joint ring; O-ring; seal O Ring; O-ring seal; doughnut ring | |||
round section joint ring; o'ring | |||
o ring |
joint torique : 10 phrases in 5 subjects |
Information technology | 1 |
Mechanic engineering | 2 |
Scuba diving | 1 |
Technology | 3 |
Transport | 3 |