The most fresh water used in China is in ( ).
举一反三
- The water used in the ship's sanitation system is generally _____. A: low temperature fresh water B: high temperature fresh water C: water produced by water generator D: seawater
- （） is used for cylinder and cylinder head， the salt water is used for cooling the lubricating oil， the fresh water in the coolers and the charging air in the air cooler.
- Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.
- Only _____ of Earth's water is fresh,and most of that is snow or ice. A: 3% B: 15%
- The fresh water produces fresh water _______.