oil keeper

航海及海运专业术语O(1) ... oil jetty 油码头 oil keeper 油承 oil leakage 漏油 ...

http://www.ptsgi.com/chines... ... "轴箱小盖"," Peak lid" "轴箱油箱"," Oil keeper" "轴箱前盖"," Front cover,axle box lid" ...