钻孔基本参数有：方位角、倾角、孔径、孔深等。

搜题请搜索小程序“爱下问搜题”

问题判断题

答案

参考答案：对

单项选择题

I knew nothing of the motives behind his recent move, and I don't know either the person to put him up to the action.

A．nor did I know ... who

B．not did I know ... that

C．nor do I know ... that

D．either did I know ... who

问答题简答题

* * 对毛 * * 思想是如何表述的？