M1432B型万能外圆磨床工作台运动速度的调节,是依靠改变节流阀的开口大小来实现的。( )
参考答案:对
It was in the house ___he used to live that the exhibition was held.
A.where
B.that
C.as
D.which
内存按字节编址,地址从90000H到CFFFFH,若用存储容量为16K×8bit的存储器芯片构成该内存,至少需要()片。
A.2
B.4
C.8
D.16