锥形密封面 bevelled sealing surface ; conicalsealcontactface ; nical seal face 椭圆槽密封面 ovally grooved seal face ; ovalgroovesealcontactface ; ally grooved seal face 阀座密封面 sealing surface of seat ..
基于26个网页-相关网页
... retainer oil seal groove 挡油环油槽 seal with semicircular annular groove 半圆形油封槽 oval groove seal contact face 椭圆槽密封面 ...
基于18个网页-相关网页
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