（） provide the water to the pistons.
C
举一反三
- The rooftop solar water heaters provide ______ without consuming any fuel.
- 2. The government has to open the dams to provide more water for the people.
- The Hoover Dam was the way to provide power and water to dry regions in the east America.
- An advantage of aluminum pistons， when compared to cast iron pistons is （）.
- Which of the followings provide energy？ A: Fat B: Carbohydrate C: Water D: Protein E: Vitamins
内容
- 0
Which of the followings provide energy？ A: Minerals B: Fat C: Carbohydrate D: Protein E: Vitamins F: Water
- 1
确保两个活塞伸出长。 A: Make sure that the two pistons extend equally. B: Ensure the two pistons extend evenly. C: Ensure the two pistons extend uniformly.
- 2
The camshaft is used to open and close the valves with the motion of the pistons.
- 3
Which of the following is used in an IBM Blade Center to provide cooling？（） A: Fans for each blade B: Chilled Water C: Blowers D: Freon
- 4
Which of the following is used in an IBM Blade Center to provide cooling？（） A: Fans for each blade B: Chilled Water C: Blowers D: Freo