单选题Which of the listed design features is found in an exhaust valve and NOT in an intake valve?（）AHard alloy steel constructionBBeveled edges on the valve headCLow alloy steel constructionDPoppet type design
单选题
Which of the listed design features is found in an exhaust valve and NOT in an intake valve?（）
A
Hard alloy steel construction
B
Beveled edges on the valve head
C
Low alloy steel construction
D
Poppet type design
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