榫槽密封面
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tongue and groove seal contact face; groovy fit seal face; tongue and groove seal contact face; groovy fit seal face
tongue and groove seal contact face; groovy fit seal face; tongue and groove seal contact face; groovy fit seal face
примеры:
梯形槽式密封面对焊法兰
ring joint welding neck flange
пословный:
| 榫槽 | 密封面 | ||