| 摘要 |
Environmentally safe and compatible fluids that are useful as lubricants, an d especially as hydraulic fluids, in mobile machinery are formulated to be non - contaminating when accidentally contacted with surrounding vegetation, and removable from vegetation by simply washing the vegetation with tap water. T he fluids of the invention are polyalkylene glycol-based and having an ethylene oxide to propylene oxide ratio of from about 68:32 to about 78:22.
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