oiltight

adj.

不漏油的，油密的；

Raintight and oiltight connector for flexible conduit
Analysis on Combinatory Seal of Back Blade and Oiltight
Frame for especially lawn tractor is constructed as oiltight hollow profile and filled with hydraulic oil, and has at least one oil ...
Ships' Oiltight Hatch Covers
Miniature square oiltight pushbutton switch
Oiltight pushbutton selector switch
Oiltight electric switch assemblage
Omron Oiltight Limit Switch
Oil-tight coupling device
Oil-tight transmission-gear head