（） usually helps to induce air movement to assist combustion.
A fire starting by spontaneous combustion can be expected in which condition?（）.
Each cylinder in a two stroke cycle engine experiences combustion（）.
When the fuel oil is burning in the combustion chamber, it （）.
Proper atomization of fuel in diesel engine combustion chambers will （）.
Diesel engines obtain combustion air through turbo chargers，blowers，or（）.
A combination combustible gas and oxygen indicator is an instrument that measures the（） of both combustible gas and oxygen; each is indicated on a separate meter.
The air required for combustion is taken from the engine room through a filter fitted on the turbochargerThis reduces the risk for too and contamination of the combustion air（）
Fires involving combustible metals are classified as （）.
The cylinder head, cylinder liner and （） form the combustion chamber.
Poor combustion in a diesel engine can be caused by （）.
Combustion knock occurring in a diesel engine can be caused by （）
Combustible gas indicators measure the presence of combustible gas as a percentage of the（）.
Proper combustion in a boiler would be indicated by （）.
He has（）four successful books.
Spontaneous combustion could occur in（）
A pumproom is suspected of accumulating gases after a ventilation machinery breakdown. Where should the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases? （）
（）is the most liable to spontaneous combustion.
A combustible gas indicator is used to determine （）.
What does a successful speaker require?
Successful language learners are independent _.
She is highly successful techer.firlyB．rtherC．veryD．modertelyShe is highly successful techer.firly B．rther C．very D．modertely
The fence is only partially successful.
