【单选题】How many PPM of the oily water can be pumped out within 12 miles along the China coast line? ______.
【单选题】Q: How did the second speaker deal with oily waste?
【单选题】具有清热燥湿、泻火解毒、止血、安胎功效的药物是()
【单选题】Q: How do they maintain the oily water separator?
A.
They flush filters with steam at regular intervals.
B.
They usually flush filers with sea water.
C.
They always flush filers with sea water.
D.
They flush filters with steam sometimes.
【单选题】Q:How do they maintain the oily water separator?
A.
They flush filters with steam at regular intervals.
B.
They usually flush filters with sea water.
C.
They always flush filters with sea water.
D.
They flush filters with steam sometimes.