An exhaust gas bypass is installed on a waste heat boiler in order to （）.
（） are mounted in pairs to protect the boiler against overpressure.
Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine by（）
After a normal, or safety shutdown, automatic combustion control systems for an auxiliary boiler are designed to prevent the immediate refiring of a burner in order for the （）.
The soot blowers are operating in the oil fuel boiler the air/fuel ratio must （） throughout the action, and blowers greased after use.
The diesel engine exhaust gas bypass, as fitted with some waste heat boilers, is installed to （）
The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by （）
The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust （）.
The four strokes are called suction, compression, expansion and exhaust, but only （） stroke provides the power to drive the ship.
Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.
In a diesel engine, exhaust valves open before the intake ports are uncovered to （） Ⅰ.reduce pumping losses Ⅱ.reduce back pressure
The boiler is fired （） the demand for steam exceeds that available from exhaust gas heating.
After a normal, or safety shutdown, automatic combustion control systems for an auxiliary boiler are designed to prevent the immediate re-firing of a burner in order for the （）.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
In a two-stroke/cycle diesel engine, the exhaust gases are expelled from the cylinder by the（）
( ), ( ) and ( ) are the three branches of the US.government.
Most of us are aware that we are moving all the time.
In the article Taking Your Fun , the author has told us that upon every side of us are to be found .
( ), ( ) and ( ) are the three branches of the US. government.
In the US, if there are a lot of guests, most tables are round.
How many denominations are printed in the US money and what are they?
The four strokes of a four-stroke diesel engine according to their sequence are :suction,compression,expansion and exhaust.()
Please_____ us how the goods are packed（）
Two parties of the US alternate in governing. The two main parties are___（）
