Use a to clean the surface of the oil.
A: colander
B: spider
C: skimmer
D: cloth
A: colander
B: spider
C: skimmer
D: cloth
举一反三
- 中国大学MOOC: Use a to clean the surface of the oil.
- The use of sinking and dispersing chemical agents for removal of surface oil is（）. A: the most common method B: too expensive for common use C: generally safe to sea life D: authorized only with prior approval of the governmental On-Scene Coordinator
- If the abiotic theory is true, oil prices will soar and there will be competition for oil even war to solve the conflict caused by oil.
- Which oil is not suitable for use as storm oil?（） A: Fish oil B: Vegetable oil C: Mineral oil D: Animal oil
- In the lubricating oil system of the main engine, the function of _____ is to adjust the amount of lubricating oil entering the lubricating oil cooler according to the temperature of the lubricating oil. A: self cleaning filter B: lubrication oil pump C: three-way valve D: by-pass filter