造球机运转中注意倾听传动齿轮有无不正常噪音,机身不得有强烈的振动支承轴承振幅不能大于()mm。
参考答案:0.1
He was disappointed to find his suggestions ____.
A.been turned down
B.turned down
C.to be turned down
D.to turn down
急性高血压时,增生性小动脉硬化及坏死性细动脉炎主要发生于()
A.大脑
B.肾
C.心
D.肾上腺
E.脾