We need to complete all the preparatory work.

我们需要完成所有的准备工作。

The preparatory work for the meeting took us all day.

会议的准备工作花了我们一整天。

Preparatory work is key to the success of the project.

准备工作是项目成功的关键。

They are doing the preparatory work for the experiment.

他们正在进行实验的准备工作。

Adequate preparatory work must be done before starting construction.

在开始施工之前，必须进行充分的准备工作。

Necessary preparatory work in this regard is already underway.

必要的准备工作已在进行中。

A rigorous and comprehensive approach requires some preparatory work.

应用严格的、综合的方法需要作某些准备工作。

The current economic readjustment should thus include preparatory work.

因此,现在的调整还要包括一些准备工作.

A good job should be done in the preparatory work for new projects.

新上项目要认真做好前期准备工作,抓紧实施.

For the Normandy landings is preparatory work carried out by the huge and complex.

为诺曼底登陆进行的准备工作是巨大而复杂的。