If I had time, I should read a drilling manual.

假如我有时间，我就会读一本钻井手册。

youdao

Here is the drilling manual which he forgot to take along.

这就是他忘记带走的那本钻井手册。

youdao

It is a combine of directional drilling technique on land and manual mud-penetrator technique undersea.

它是将陆地定向钻技术与水下人工攻泥器技术相结合，构成一种新的可控穿千斤攻泥器。

youdao