facing ring

基本解释

Trim numbers with H have cobalt alloy hard faced seat ring facing.
带有H的阀内件型号具有钴合金硬面阀座环表面。
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，则这个阀内件就可以指定为与其它阀内件相等的阀座环表面。
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.
本实用新型公开一种带戒面保护的指环，该带戒面保护的指环在指环外露面设置有凸起形成高出指环饰面的保护带。
ip.com

An outward-facing ring of the same infrared sensors would be embedded into your smartphone's bezel, and we tried a version attached to a chunky metal bar that played different sound effects when you tapped your fingers in front of it.
ENGADGET: Neonode's Proximity multi-sensing technology hands-on (video)
Facing him across the ring, similarly draped, will be Richard Scase, a business professor at the University of Kent.
ECONOMIST: Business conferences
They would split the fish, secure it skin-side down to a wood plank and place the plank vertically, facing the fire but outside the fire ring, to slowly cook.
NPR: Where There's Smoke, There's Flavor