Steel is not as _____ as cast iron; it does not break as easily.
brittle
举一反三
- How does steel differ from pig iron? A: Less carbon B: More carbon C: Steel is preferred by sheep and chooks D: None of the above
- The main social services of the iron and steel industry system are the provision of iron and steel products and the consumption of iron ore A: 正确 B: 错误
- In addition to iron and carbon, list the other elements that may be found in a grey cast iron and describe their effect on the properties of a grey cast iron.
- Iron and steel are flexible. But they are not as flexible ______ rubber. A) as C) to B) for D) by A: Iron and steel are flexible. But they are not as flexible ______ rubber. B: as C: for D: to E: by
- At the top of the A-frames there is a strong cast iron frame called （）.
内容
- 0
An advantage of aluminum pistons， when compared to cast iron pistons is （）.
- 1
2. The iron and steel industry ___ the key link in socialist production. Are/is
- 2
An iron and steel works, with some satellite factories, ____ to be built here.
- 3
Cast iron carrier rings， （） machined grooves， are provided for all the pistons.
- 4
（） of the A-frames there is a strong cast iron frame called the scavenging air box.