对于刮刀卸料离心机,如果筛篮与刮刀转子之间的间距变大,会带来什么影响()。
A、处理量变大
B、动力消耗变大
C、离心液中固体含量变大
D、产品水分变大
参考答案:B, D
已知│x-12│+(y-13)2和z2-10z+25互为相反数,则以x、y、z为三边的三角形是( )三角形。
—— Is Jim at home by himself?
—— No, there is another boy __________ with him.
A.playing
B.play
C.plays
D.to play