The mechanic used to （） and oil the machine all the time.
A: polish
B: take
C: design
D: lay
A: polish
B: take
C: design
D: lay
举一反三
- It seems oil ( ) from this pipe for some time. We'll have to take the machine apart to put it right.
- In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces ____. A: all of the oil used by the engine through a filter B: some of the oil used by the engine through a filter C: some of the oil used by the engine through a centrifuge D: all of the oil used by the engine through a centrifuge
- In<br/>an auxiliary diesel engine bypass type lubricating oil system, the<br/>main oil pump forces ____. A: all<br/>of the oil used by the engine through a filter B: some<br/>of the oil used by the engine through a filter C: some<br/>of the oil used by the engine through a centrifuge D: all<br/>of the oil used by the engine through a centrifuge
- The term OIL as used in the Oil Pollution Regulations means（）. A: fuel oil B: sludge C: oil refuse D: All of the above
- There is still ______ time left. Take your time.