举一反三
- The second stroke is the compression stroke．
- Four strokes—intake stroke, compression stroke, power stroke and exhaust stroke—complete one working cycle．
- which item is the meaning of compression stroke？ A: 进气冲程 B: 压缩冲程 C: 做功冲程 D: 排气冲程
- One of the differences between a two-stroke engine and a four-stroke engine is,（） A: a two-stroke engine works without exhaust operation B: a two-stroke engine works without compression stroke C: a two-stroke engine works without expansion stroke D: a two-stroke engine works without suction operatio
- 词汇题：There are eight basic strokes: dot, horizontal stroke, turning stroke, vertical stroke, hook stroke, right-upward stroke, left-downward stroke and right-downward stroke. 英译汉。注意标点。 汉字有八个基本笔画/八大笔画：____________________
内容
- 0
Paragraph 2（） A: Effects of a stroke B: Annual cost of stroke in the US C: Definition and description of a stroke D: Breakthroughs in treatment E: Risk factors of stroke F: Warning signs of a stroke
- 1
There are two kinds of stroke, and they are ischemic stroke and hemorrhagic stroke.
- 2
The old man keeps his good habit of getting up and going to bed ________. A: on strike B: with a stroke C: on the stroke D: at a stroke
- 3
The four strokes in the engine are, in order of<br/>occurrence((_____)) A: intake, power, exhaust, and compression B: intake, power, compression, and exhaust C: intake, compression, power, and exhaust D: intake, exhaust, power, and compression
- 4
The displacement ductility of compression member will decrease with the increase of axial compression ratio.