• 2022-05-31
    The properties of cast irons are as follows except .
    A: good castability
    B: poor mechanical properties
    C: good abrasion resistance
    D: poor machinability
  • D

    内容

    • 0

      To improve poor performance, all EXCEPT _________ of the following are thought to be important. A: getting to know the cause B: law regulations C: good will D: proper procedures

    • 1

      The advantages of cotton include: A: high level of moisture absorption B: moderate strength ,good abrasion resistance •and good dimensional stability C: resists sunlight and heat well D: soft hand feel

    • 2

      The good service of the restaurant ( ) the poor food to some extent.

    • 3

      What are the properties of linen fabric? A: good absorbency B: crease-resistant C: easy to wrinkle D: super-stretch

    • 4

      Being poor, these children are less __________ to go to college or get a good job.