?不合规定的润滑
... 不合标准的 bastard; off standard; off-standard; untrue; unture 不合规定的润滑 faulty lubrication 不离浆的润滑油 non bleeding grease; non-bleeding grease ...
The airlines say that by the end of May Rolls-Royce will be able to replace the faulty gearbox lubrication system in the engine.
CNN: A Plane Tale of Caution
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