5.铣床夹具的夹具体与机床工作台的接触范围要大,使切削力的作用方向落在该范围内。
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6.如果铣床夹具体的宽度尺寸较大时,可在同一侧设置两个耳座,两个耳座的距离要和铣床工作台两个T形槽间的距离一致。
A. 对
B. 错
7.铣床夹具与铣床工作台的连接误差不影响工件的平行度或垂直度加工精度要求。
A. 对
B. 错
All is quiet on the vast ____of open ground; profound silence prevailed on the open countryside.
Every spring, hundreds of thousands of domestic and foreign businessmen ____into Shanghai to attend annual East China Export Commodity Trade Fair.