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
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