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.
年度调查
A. The special survey.
B. The docking survey.
C. The annual survey.
D. The circular survey.
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