副丝

Norman, a former Alton High assistant principal, was unsuccessful in trying to reach Spinks or her family, so he contacted the media for help.

曾任奥尔顿高中副校长的诺曼无法顺利联络上史派克丝或其家人，只好求助媒体。

This paper describes the working theory, construction design, technology rules and inspection accuracy of the precision stepper ball screw nut.

本文主要阐述精密步进滚珠丝杠副的工作原理、结构设计、制造工艺及精度检验。

The manufacturing cycle within the GQ10025 heavy load "of ball screw" to replace the fuel tank driver, a driving force for savings | 3-1 | 4 and is conducive to energy conservation and is conducive to environmental protection, can be widely used in metallurgical machinery, mining machinery, Construction machinery, plastics machinery and construction machinery and other equipment.

本公司制造的GQ10025内循环重载荷&滚珠丝杠副&取代油缸驱动，可节约动力1|3-1|4，有利于节能，有利于环保，可广泛应用于冶金机械、矿山机械、工程机械、塑料机械和建筑机械等设备。

She was wearing blue slacks and a white sweater nowshe was always dressed, it seemed, no matter how early in the morningand she looked to be no older than the last time I had seen her, on her seventy-ninth birthday, wearing these red-rimmed glasses she got as a present.

母亲此刻穿着蓝色的长裤，身着一件白色的毛线衫。瞧上去，遑论身在清晨多早的时分，母亲总是穿戴整齐，并且比起上一次我在母亲七十九岁生日见到她时，并不见多少老迈。她戴着副镶红丝的眼镜，这是母亲的生日礼物。

The gear rim, gear wheel and screw pole screw pairs of open-close draw stem drive the right and left valve body to clamp and release.

启闭推杆通过齿圈、齿轮和丝杆螺旋副驱动左、右阀体完成松开、夹紧动作。

There are two worn gear drive device of open-close and turn over on the worm gear blind cut-off valve gate. The gear rim, gear wheel and screw pole screw pairs of open-close worm gear box drive the right and left valve body to clamp and release. The turn-over worm gear box drives the valve disc to open. There is limit block on the valve disc to ensure the open-close position of the valve disc.

蜗轮传动盲板切断阀，阀门中设有启闭和翻转两个蜗轮传动装置，启闭蜗轮箱通过齿圈、齿轮和丝杆螺旋副驱动左、右阀体完成松开、夹紧动作，翻转蜗轮箱驱动阀板完成开启动作，阀板上设有限位挡块以保证阀板的启闭位置。

With a history of nearly 50 years, the Institute has researched and developed the following major technologies and products: vertical/horizontal machining center, precision and ultra-precision machine tool,ball screw, coordinate measuring machine and other precision measuring instruments and equiment,pneumatic-hydraulic/electro-hydraulic technology and concerned products; EDM technology and equipment; NC system and driving device; laser machining technology and relative product; computer application technology,etc.

北京机床研究所具有国内领先的技术水平和实力及近五十年的数控机床技术开发、应用、维护经验，为用户提供全程的、全方位的技术支持服务。近五十年来，我们从事研发的主要技术与产品有：立卧式加工中心；精密及超精密机床；滚珠丝杠副；三坐标测量机及其它精密测量仪器设备；气液电液技术及相关产品；电加工工艺及设备；数控系统及驱动装置；激光加工技术及相关产品；计算机应用技术等。

The problems of the Tribology System Condition Transform of tribo-design of screw/nut pairs were dealt with and investigated with ...

本文运用人工智能CAD的方法探讨了丝杆螺母副的摩擦学系统条件转化问题，提出了新的摩擦学设计系统研究方法。

The screw nut is of double nut tube type which is single tube 2.5 circuits.

该滚珠丝杠副是双螺母外循环方式的，循环组数为1组2.5圈。

The stepper ball screw nut has been used in a beam monitor system of Beijing proton synchrotron.

本文阐述的步进滚珠丝杠副已应用于北京质子加速器的束流测量系统中。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。