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oiltight adj.防油的,油滲不進的。

oily

Standard specification for manhole cover assembly , bolted , semi - flush , oiltight and watertight , hinged 防油防水半嵌入螺栓鉸接檢查孔蓋組件

Standard specification for manhole cover assembly bolted , semi - flush , oiltight and watertight 防油防水半嵌入螺栓連接檢查孔蓋組件標準規范

Specification for manhole cover assembly , bolted , hinged , semi - flush , oiltight and watertight 半埋入式防油防水螺栓連接的人孔蓋組件規范

Standard specification for manhole cover assembly , bolted , raised , oiltight and watertight 防油防水隆起的螺栓連接檢查孔蓋組件標準規范

Specification for manhole cover assembly , bolted , semi - flush , oiltight and watertight 半埋入式防油防水螺栓連接人孔蓋組件規范

Ships ' oiltight hatch covers 船舶用油密性艙口蓋

Specification for manhole cover assembly , raised , oiltight , and watertight 可提升的防油防水的人孔蓋組件規范