What is the difference between open-die and closed-die forging?lllustrate.Give an example of a metal product produced by each process.
举一反三
- Which<br/>one is the basic process of open die forging() A: chamfering B: upsetting C: indentation D: necking
- Label each of the following as either a physical process or a chemical process:(a)rusting of a metal can is a process;(b)boiling a cup of wateris a process;(c)pulverizing an aspirinis a process;(d)digesting a candy baris a process;(e)exploding of nitroglycerinis a process.
- "How to open a bank account" is a typical example of ___________ process.
- The difference between the product line and the product mix is the product mix is the combination of all the product lines. (<br/>)
- What does process approach to writing mean? ( ). A: Do not give students time to discover what they want to say as they write. B: Encourage feedback both from themselves. C: What really matter is the help that the teacher provides to guide students through the process that they undergo when they are writing. D: Teaching writing pays great attention to the accuracy of the final product but ignores the process.