攻不通孔的螺纹时,其钻孔深度应如何计算?
参考答案:
攻不通孔的螺纹时,其钻孔深度的计算公式是:
钻孔深度=所需螺纹深度+0.7d
式中d—螺纹外径
I can ____the house being untidy, but I hate it if it’s not clean.
A.come up with
B.put up with
C.turn to
D.stick to