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.
A: Make sure that the two pistons extend equally.
B: Ensure the two pistons extend evenly.
C: Ensure the two pistons extend uniformly.
举一反三
- A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an （）.
- Traditional<br/>commercial Banks usually extend mortgages for() A: two weeks B: a month C: Two to three months D: for four months
- Generally speaking, when two people meet, _______________________. A: the one with higher rank or authority will first extend his or her hand B: the one with lower rank or authority will first extend his or her hand C: They extend their hands at the same time
- An advantage of aluminum pistons， when compared to cast iron pistons is （）.
- The operation could prolong his life by two or three years. A: broaden B: worsen C: extend D: accelerate