[Tagging] <tag k="lamp_mount" v="附壁式"/>

[積丹尼 Dan Jacobson]

Which is correct?
    <tag k="lamp_mount" v="附壁式"/>
    <tag k="lamp_mount:zh" v="附壁式"/>
    <tag k="lamp_mount:zh-tw" v="附壁式"/>
    <tag k="lamp_mount:zh_tw" v="附壁式"/>

Or must one always look up the English version in
https://wiki.openstreetmap.org/wiki/Key:lamp_mount

Also what if there is no exact English equivalent?

The lamp is in Taiwan.