油槽 is read as ゆそう (yusou) and means oil tank.
ゆそう
yusou
ゆそうせん
oil tanker
あぶらげ
aburaage
ゆせい
oil well
ゆさい
oil painting
あぶらやし
oil palm (esp. the African oil palm, Elaeis guineensis)
ゆせいかん
oil well pipe
あぶらしょうじ
shoji with an oil-treated screen (for increased water resistance)
ゆうてぃあお
youtiao
ゆだんたいてき
don't let your guard down
ゆでんくっさくしせつ
oil rig
ゆみつ
oil tight (seal, joint, etc.)
ゆあつき
hydraulic equipment