Sea water is not directly used as a coolant for engines because of its （）.
举一反三
- He saw the plane crash into the sea when its engines ______.
- For wildlife enthusiasts the journey is ________ because the region is known for its sea birds.
- The Dead Sea is on the border between _______. It is _______ meters below sea level. That is ______ on Earth. The Dead Sea is the _______ large body of water in the world. The area around the Dead Sea has ancient places that _______. _______ in the Dead Sea are used for health treatments. ______ brings many visitors to the area.
- Though sea water is the best mode of fighting fire, the main emergency fire fighting system can only be used on fires of ________.
- Which of the following will be the function of lubricating oil used in marine engines?（）