The joint face between the cylinder cover and the liner is arranged （）the combustion process as possible...

A、The marine bellows joints are attached in the accommodation only B、The bellows joints should be attached to anchors C、The associated piping should be thrown into the water like as anchors D、The connecting piping with the joints should be fixed firmly

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第7题

[单选题] The connected joints of pipe，usually made of three joints of pipe approximately 90 feet long，racked in the derrick when making a trip are called a（）.

A、string B、stand C、joint D、standpipe

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第8题

[单选题] The needle valve will open when the fuel pressure acting on the needle valve （） exerts a sufficient force to overcome the spring compression.

A、tape face B、tapered face C、surface D、thinner face

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第9题

[单选题] To face the music Like every language, American English is full of special expressions, phrases that come from the day-to-day life of the people and develop in their own way. Our expression today is "to face the music". When someone says, "well, I guess I’ll have to face the music," it does not mean he’s planning to go to the concert. It is something far less pleasant, like being called in by your boss to explain why you did this and did that, and why you didn’t do this or that. Sour music indeed, but it has to be faced. At sometime or another, every one of us has had to face the music, especially as children. We can all remember father’s angry voice, "I want to talk to you." and only because we did not obey him. What an unpleasant business it was! The phrase "to face the music" is familiar to every American, young and old. It is at least 100 years old. And where did this expression come from The first explanation comes from the American nove

A、To face something far less pleasant. B、To face the stage. C、To face the back of one’s horse. D、To face one’s leader.

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The joint face between the cylinder cover and the liner is arranged （）the combustion process as possible.

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