Casting can create complex part geometries with （ ）
A: external and internal shapes
B: only internal shapes
C: only external shapes
D: none of the above
A: external and internal shapes
B: only internal shapes
C: only external shapes
D: none of the above
A
举一反三
- In sand casting, the use of a Core in the Mold Cavity provides（ ） A: external features B: internal features C: internal external features D: none of the above
- Sand casting can create complex part geometries that can not be made by any other process.
- Two incomplete statements follow.<br/>Which words correctly complete each statement? A: 1 External, 2 Internal B: 1 Internal, 2 Internal C: 1 External, 2 External D: 1 Internal, 2 External
- When two two-terminal networks are equivalent, they are equivalent to ( ). A: external circuit B: internal circuit C: external circuit and internal circuit D: neither external circuit nor internal circuit
- Which of the following muscles contract(s) during quiet expiration A: Diaphragm B: Internal intercostals C: External intercostals D: None of the above E: All of the above
内容
- 0
The magnitude of the internal force of a bar depends on not only the external force but also the shape of its cross section. A: 正确 B: 错误
- 1
Taine’s theory enlightened people to pay close attention to _____ factors of art in his time. A: external B: internal C: structural D: None of the above
- 2
Plastics are in wide use because they can be easily formed into complex shapes at low cost and are easily mass produced.
- 3
Which of the following is true about Chinese kung fu? A: The internal and external principles are separable. B: There must be a balanced combination of the internal and external principles.
- 4
Transferring an internal function to an external provider is an example of _________.