启动应急发电机,让它运行半小时。
A. The emergency generator should be started in half an hour.
B. The emergency generator has run for half an hour.
C. Start the emergency generator and run it for half an hour.
D. The emergency generator was started half an hour ago.
焚烧炉用于处理油泥。
A. Oil sludge is stored in the incinerator.
B. Oil sludge is filtered in the incinerator.
C. The incinerator is used to treat oil sludge.
D. The incinerator is a filtering unit.
污水处理厂正在检查中。
A. The sewage treatment plant is being examined.
B. The sewage treatment plant is being repaired.
C. The sewage treatment plant is being renewed.
D. The sewage treatment plant is abnormal.
他想检查应急发电机的运转情况。
A. He wants to check the operation of the emergency generator.
B. He wants to operate the emergency generator.
C. He usually is in charge of the generator.
D. He is a motorman.
他把这些工具保存得很好。
A. He greases the tools after use.
B. He well keeps these tools.
C. He usually stores the tools.
D. He takes these tools to the store room.
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