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润滑油道
auto. lubrication passage
润滑油道路,槽
auto. oil channel; oil duct
润滑油道
wind. oil duct
润滑油道
auto. lubricating ramp
润滑油道
auto. oil gallery
润 滑 油道
: 9 phrases in 5 subjects
Automobiles3
Drilling2
Electronics1
Metallurgy1
Technology2