In the operation of a flash type evaporator equipped with air ejectors,the air and non- condensable gases are evacuated directly from the ().
Great care is dedicated to the removal of from the scavenge air()
When the order () is received from the bridge, the main air stop valve in the starting air line should be shut.
The fresh air coming in through the inner air ports, is compressed by() to a higher pressure.
During (), the starting air valves should be closed to prevent the engine from turning.
In an air conditioning system, moisture is removed from the air by()
Air blowing from the intake air filter of an operating air compressor indicates ().
During the inspection, the starting air valves should be closed () the engine from turning.
The process of removing moisture from air is known as().
The engine is started with () supplied from air receivers.
The loss of () from an air compressor could lead to an overheated air discharge and possibly an explosion in the pipelines leading to the air reservoir.
Knowledge of word formation is a useful source for developing vocabulary. The word “greenhouse” comes from the ______ , and the word “motel” comes from the ______ .
The carnival comes from the followers of the Catholic religion in ______.
Where did the concept of feedback come from?
The WHO estimates, people who die from lung cancer and other tobacco-related diseaseswill, by 2020, be _______ as many as those today.
Which of the following universities does Jason come from?
Where did the idea of sundials come from?
1.Where do the two guests come from?
Why does the real threat come from the tower itself?. 查看材料
Tom has been suffering from lung cancer for half a year, so the doctor suggests that he an operation as soon as possible()
It can be learned from the news that the Farnborough Air show
Where did most of the "pilgrims" the speaker met come from?
Man-made air pollution mainly comes from mobile sources.()
The complained about the____noise coming from the upstairs flat.