scavengev.到处觅食；(在废物中)寻觅scavenge unit清除装置scavenge trunk换气管scavenge gears油泵回油器scavenged area扫气孔面积scavenge blower扫气泵scavenge system扫气系统,清除系统scavenge filter排滤器,回油滤清器scavenge plunger见scavenge pumpscavenge pressure换气压力scavenge delivery油泵输出管

1. Glycerine is removed from the waste oil.
   甘油是从废油。
2. Do you know that industrial waste oil can be recycled?
   你知道吗，工业废油是可以回收再生的。
3. Diameter of the suction and evaporating pipes should be decided by oil circulation and reconfirmation of gas speed.
   吸气管及蒸发器管径，应考虑回油并再次确认流速后确定。