问题
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Cavitation erosion in the cooling water system of a diesel engine usually occurs at the pu
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What is a function of the wearing rings used in most centrifugal pumps?A.Absorb erosion of
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执行下列程序段a$="visual Basic Programming"b$="C++"C$=UCase(Left$(a$ 7
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下面不正确的字符串常量是( )。 A.'abc' B."12'12" C."0" D." &
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下面程序段的运行结果是( )。 char a[7]="abcdef" b[4]="ABC"; strcpy(a b) ; prin
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执行以下命令: ?AT("教授" "副教授") 显示的结果为( )。 A.2 B.3 C..T. D.1