1. A lube job; a lube rack. 
   得心应手的工作；润滑的齿
2. sludge treatment and disposal 
   污泥处理和处置
3. A thick, messy substance, such as sludge. 
   粘糊糊的东西粘稠肮脏的东西，如软泥
4. Sludge disposal facilities should be installed for the need of sewerage treatment. 
   同时配套建设完善污泥处置系统。
5. sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans. 
   堆积在湖底或海底的软泥（富含有机物）。

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• 1. 润滑油淤渣
  lube oil pump 润滑油泵...lube oil sludge 润滑油淤渣...lube oil storage tank 润滑油贮存柜
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