facing ring

基本解釋

Trim numbers with H have cobalt alloy hard faced seat ring facing.
帶有H的閥內(nèi)件型號具有鈷合金硬面閥座環(huán)表面。
By removing the H, the trim can be specified with a seat ring facing equal to the other trim parts.
如果去掉H，則這個(gè)閥內(nèi)件就可以指定為與其它閥內(nèi)件相等的閥座環(huán)表面。
The utility model discloses a ring with ring surface protection. Bulge formed bracer which is higher than the facing of the ring is arranged on the exposing surface of the ring.
本實(shí)用新型公開一種帶戒面保護(hù)的指環(huán)，該帶戒面保護(hù)的指環(huán)在指環(huán)外露面設(shè)置有凸起形成高出指環(huán)飾面的保護(hù)帶。
ip.com

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