查表判断φ52J7/h6的配合性质:φ52J7孔的上偏差是_________mm,下偏差是_________mm;φ52h6轴的上偏差为_________mm,下偏差是_________mm;φ52J7/h6是基_______(孔、轴)制__________配合。
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He whohas health has hope, and he whohas hope has everything.
We cannot really love anybody with whom we never laugh.
Bossis a man who is at the office early on the days whenyou’re late.
She had got to the point whereshe felt that she could not take any more.