To Know fixed pulley and movable pulley.

知道定滑輪久久久久久免费大片、動滑輪、滑輪組的作用日韩亚洲欧美激情视频。

Experience the process of investigating how fixed pulley and movable pulley work, and then know the way of researching by observation and contrast.

經(jīng)歷探究定滑輪国内大量愉拍人妻精品视频、動滑輪工作特點的過程，進一步掌握用觀察黃色視頻久久免費、對比來研究問題的方法国产黄色网站在线看。

A single movable pulley moves with the load.

一個單獨的可動的滑輪和負荷一起轉(zhuǎn)動。

According to the characters of the stage lifter ,we have innovatively applied the movable pulley mechanism to it,which is of simple construction, low cost and easily to manipulate.

根據(jù)舞臺升降機的工作特點和使用要求欧美三级一级一级野战，對其工作原理和結(jié)構(gòu)進行了創(chuàng)新構(gòu)思色色哟呦，巧妙地運用滑輪機構(gòu)完成舞臺升降機設(shè)計和制造工作。

Adaped with the cable tensity, the movable pulley postion and line speed to three signals are superimposed.

然后講述了整條生產(chǎn)線系統(tǒng)框架的搭建和整個系統(tǒng)的配置和實現(xiàn)欧美大片天天爽。

In the design, It causes the hydraulic cylinder with a movable pulley the stroke to reduce one half, and avoides using a stroke longer hydraulic cylinder.In this way,it reduces difficulty of the hydraulic cylinder's produce.

在設(shè)計中欧美精品久久久久久中文，用一個動滑輪使液壓缸的行程減少了一半，避免使用行程較長的液壓缸免费看美女被操网站，減少了制造液壓缸的難度污色视频在线观看。

In the design,It causes the hydraulic cylinder with a movable pulley the stroketo reduce one half, and avoides using a stroke longer hydrauliccylinder.In this way,it reduces difficulty of thehydraulic cylinder's produce.

在設(shè)計中，用一個動滑輪使液壓缸的行程減少了一半中文字幕无码专区，避免使用行程較長的液壓缸，減少了制造液壓缸的難度北京熟女大叫喊爽视频。

The connector of all kinds of wire ropes has simple structure and reliable performance, especially the multi wheels movable pulley and new structure pulley block provide the condition for oil pumping machine saving energy, and saving energy above 50% as well as decreasing the cost of the oil pumping machine above 50%.

各種鋼絲繩連接器結(jié)構(gòu)簡單激情视频激情文学在线、性能可靠。尤其是多輪動滑輪91中文字幕国产、新結(jié)構(gòu)滑輪組国内精品免费视频在线拍，為抽油機節(jié)能提供了條件，可節(jié)能50％以上男女交性无遮挡在线观看，降低抽油機造價50％以上国内揄拍国内精品视频。

This invention provides new-type movable pulley oil pumping machine, wheel axle bidirectional oil pumping machine which possesses the function of energy saving and efficiency increasing.

本發(fā)明提供了新式動滑輪抽油機、輪軸抽油機精品国产欧美一区二区五十路、雙向抽油機日韩一级特黄毛片在线看，具有節(jié)能增效的作用。

The unit adopts variable displacement hydraulic pump, hydraulic cylinder, movable pulley and broad belt to transmit power,has the charecteristics of abundant recovery and full use of power,minor fluctuation of electric motor load, low height of the unit, long stroke length and convinence of adjusting the stroke length and pumping speed, can realize the performance of being fast on the upstroke and slow on the downs...

該液壓抽油機采用變量液壓泵—液壓缸—動帶輪及寬膠帶傳遞動力色诱久久av无码电影网站，具有功率回收利用充分无遮挡奶头污免费网站、電動機負載波動小、整機高度較低91香蕉国产在线观看人员青、沖程長人操在线视频97、沖程和沖次調(diào)節(jié)方便等特點，可實現(xiàn)上快下慢的工作狀態(tài)，并具有失載與過載保護功能一级免费看，是一種結(jié)構(gòu)簡單中文字幕黃色av、重量輕、能耗少在线观看资源av、載荷大的新型長沖程液壓抽油機久久99视频首页。