cutting fluidscommonly used are
A: extreme pressure emulsion or an anti-corrosion emulsion
B: Emulsions
C: Cutting oils
D: Water solutions
A: extreme pressure emulsion or an anti-corrosion emulsion
B: Emulsions
C: Cutting oils
D: Water solutions
举一反三
- Emulsion oils and sodium nitrite are both approved additives， but the latter cannot be used if any pipes are （） or if any soldered joints exit.
- Which of the following is not a key factor affecting the stability of the emulsions? A: Selection of emulsifier B: Type of emulsifier C: Packaging of emulsion D: Preparation temperature
- Which of the following are the basic tools used for paper cutting? ( ) A: cutting boards B: Knives C: glue D: Scissors
- The emulsion of the oil is mainly caused by （）.
- Which of the following statement about paper cutting is NOT true? A: Paper cutting cannot be used to decorate gates and windows during festivals. B: Paper cutting was first used in rural areas as the mold pattern for making embroideries. C: Paper cutting in Zhangpu has adopted many customs and habits of plain culture. D: N/A