This article oil-proof is ineffective, to the surface that have oil-proof request should carefully process.

本品防油效果不佳，对有防油要求的表面应谨慎处理。

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Reaction mechanism of waterproof agent HA321and oil-proof agent F-321with the sodium sulfite pulp is studied.

研究了HA - 321型防水剂和F - 321型防油剂在纸浆模塑制品中的作用机理。

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Alloy steel, hermetically welded, oil-proof, waterproof and anti-corrosion, suitable for all kinds of environments.

合金钢材料，全部焊接密封，防油、防水、耐腐蚀，可适用于各种环境。

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And he knows no landfill liner system is completely leak-proof, meaning there is some possibility that the industrial quantities of waste coming from the oil cleanup could pollute local underground water supplies.

VOA: standard.2010.08.05