- flange contact facings
- 法兰: flange
- 接触面: contact surface; surface in ...
- 接触面: catalct surface; contact area; contact face; contact facing; contact plane; contact surface; contacting surface; contactplane; contiguous surface; facet; facing surface; faying surface; interface， contact; juncture plane; osculating plane; plane of contact; plane of junction; seating area; surface of contact; surface of impact
- 法兰接合: flange coupling; flanged joint
- 法兰接套: flange adaptor
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