What's English for 排出?
A. discharge
B. recharge
C. charge
D. dismantle
What's English for 每年的?
A. manual
B. Another
C. anneal
D. Annual
Which of the following words is 漏油?
A. oil leakage
B. full oil
C. oil filling
D. oil sludge
Which of the following words is 过滤装置?
A. filtering tank
B. filtering unit
C. incinerator
D. oil separator