Note: different rubber for screw pumps using different media.

注意，螺杆泵所使用的介质不同应采用不同的橡胶。

youdao

You all need not to be nervous, I am an automobile repairer, about the wrench, it is used for screw when I work, is it reasonable?

大家不要紧张，我本身是一个汽车维修员。这个扳子呢，是我工作时用来上螺丝的，很合理吧？

youdao

Objective: to investigate the X-ray projection of acetabulum on its anterior and posterior column and to develop a safe area for screw placement.

目的：探讨髋臼在其前、后柱上的投影和螺钉放置的安全范围。

youdao

So not only is there evolutionary pressure for me to lie to you, for me to persuade you for instance, that if we're going to have a conflict- if you are threatening me " "Don't threaten me, I am not the sort of man you could screw around with" But there's evolutionary pressure for you to look and say, "No. You are the sort of man you could screw around with.

因此，不仅存在着要求我对你说谎,的进化压力，比如，如果我们之间存有冲突-,当你威胁我时,我会说“别吓唬我，我可不是吃素“,而且还存在着要求你辨别谎言的进化压力,你会说，“不，你肯定不行。

耶鲁公开课 - 心理学导论课程节选

The need for a screw with threads shaped to mate with the substance it is penetrating has always been out there.

FORBES: The Taming of the Screw

For centuries now the screw has held things together, and for almost as long it has been frustratingly inept at its central purpose.

FORBES: Magazine Article

"People have been trying to come up with a new screw for 100 years, to the point where you get sick of hearing about it, " LeVey says.

FORBES: The Taming of the Screw