The two lines cut at point B.

这两条线在B点上相交.

《简明英汉词典》

What is the voltage at point A point B?

此时在A点和B点的电压分别是 多少 ?

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We can join point A to point B with a straight line.

我们可以用一条直线把点A和B联结起来.

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Mark from point A round CF to point B at site mark.

从A点开始标,沿着前中心线旋转样板到B点.

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The pressure at point A is twice greater than that at point B.

A点的压力比B点的压力大两倍.

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