There is （） in any water cooling system for a diesel engine allowing for expansion and water make-up in the system as well as air vent and chemicals addition.

Providing you are not sailing in the Red Sea or another special area as listed in ANNEX V of MARPOL，how many miles from land must you be to throw garbage including bottles，rags，and glass that has not been ground up into the sea? （）

You look well . The air and the sea foods in Sanya must _____ you , I suppose. ( )

You look well . The air and the sea foods in Sanya must _____ you , I suppose.

Look! The police ______ the food onto the bank of the river.

In the condenser, the hot, high pressure refrigerant gas is cooled by the sea water and becomes（）.

（） 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.

The old ______ well looked after by the government in China.

In the Northern Hemisphere you are caught in the dangerous semicircle with plenty of sea room available. The best course of action is to bring the wind on the（）.

During the dock repair, each sea valve must be disassembled, cleaned and ground well.Before it reassemble the sealing surface between the valve and the valve seat should be checked by （）

In an engine with air inlet valve and exhaust valve on its cylinder heads the fresh air will enter into the cylinder （） and the gases exhaust （）, there being an adequate overlap between the inlet opening and the exhaust closing.

As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperature will （）.