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GB/T699-1999《优质碳素结构钢》中规定:优质钢的S、P含量为()A.S≤0.030%P≤0.030%B.S≤0.030%P≤0.035%
GB/T699-1999《优质碳素结构钢》中规定:优质钢的S、P含量为()
A.S≤0.030%P≤0.030%
B.S≤0.030%P≤0.035%
C.S≤0.035%P≤0.030%
D.S≤0.035%P≤0.035%
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GB/T699-1999《优质碳素结构钢》中规定:优质钢的S、P含量为()
A.S≤0.030%P≤0.030%
B.S≤0.030%P≤0.035%
C.S≤0.035%P≤0.030%
D.S≤0.035%P≤0.035%
GB/T699-1999《优质碳素结构钢》中规定:优质钢的S、P含量为()
A.S≤0.030%P≤0.030%
B.S≤0.030%P≤0.035%
C.S≤0.035%P≤0.030%
D.S≤0.035%P≤0.035%
A.S≤0.035%,P≤0.035%
B.S≤0.030%,P≤0.035%
C.S≤0.035%,P≤0.030%
D.S≤0.030%,P≤0.030%
A.普通碳素结构钢
B.优质碳素结构钢
C.碳素工具钢
D.优质碳素工具钢
根据GB/T159-94规定,()牌号由代表屈服点的字母“Q”届盟点数值,
A.碳素结构钢
B.优质碳素结构钢
C.合金结构钢
D.低合金高强度结构钢
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