The properties of cast irons are as follows except .
A: good castability
B: poor mechanical properties
C: good abrasion resistance
D: poor machinability
A: good castability
B: poor mechanical properties
C: good abrasion resistance
D: poor machinability
D
举一反三
- The properties of cast irons are as follows except
- 执行代码m[-c("poor","excellent","good","poor") ] patient[-factor(m,order=TRUE,levels=c("poor","good","excellent"))) ] patient后,patient的因子水平下列说法正确的是( ) A: poor good excellent B: poor excellent good C: excellent good poor D: 以上都不对
- 执行代码m[-c("poor","excellent","good","poor") ] patient[-factor(m) ] patient后,patient的因子水平下列说法正确的是( ) A: poor good excellent B: poor excellent good poor C: excellent good poor D: 以上都不对
- The good service at the hotel made up for the poor food to some ( ). The good service at the hotel made up for the poor food to some ( ).
- Gray cast iron has () A: high compressive strength B: excellent machinability C: good casting characteristic D: all of these
内容
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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
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Being poor, these children are less __________ to go to college or get a good job.