Objective Study on the curative effect and key of fracture of neck of femur internal fixation with fracting pressure screw.

目的探讨采用折断式加压螺钉内固定治疗股骨颈骨折疗效和术式关键。

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The pressure mechanism, of which the forced direction is changed by a force transferring lever, consists of a pressure screw and a pressure nut.

加压机构由加压螺杆和加压螺母组成，并用传力杠杆改变受力方向；

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An analysis was conducted of the common faults and their causes of the high pressure screw lock ring heat exchangers found in inspection and repair, and some solutions were proposed.

对螺纹锁紧环式换热器检修过程中常出现故障及原因进行了分析，并提出解决办法及建议。

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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

Plastic creeps away from the pressure, sliding down the threads so that even a tightened screw loosens almost instantly.

FORBES: Magazine Article

These valves use a screw type valve instead of a simple flap, and they have a pressure regulating mechanism that will vent water to the ground if the intake pressure exceeds a set level.

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Batsmen feel under pressure when they are forced to play out a string of maidens and you really feel the screw tightening all the time.

BBC: Jonathan Agnew column